Home / 6,561,390.60-9,842,085.90-4,860,779.40

Finding the Fourth Proportional to 6,561,390.60, 9,842,085.90 and 4,860,779.40

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Solution

The fourth proportional to 6,561,390.60, 9,842,085.90 and 4,860,779.40 is: 7,291,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,390.60 : 9,842,085.90 = 4,860,779.40 : x
  2. Step 2: Convert to fraction form
    6,561,390.60/9,842,085.90 = 4,860,779.40/x
  3. Step 3: Cross multiply
    6,561,390.60x = 9,842,085.90 × 4,860,779.40
  4. Step 4: Simplify right side
    6,561,390.60x = 47,840,208,395,750.47
  5. Step 5: Solve for x
    x = 47,840,208,395,750.47/6,561,390.60
  6. Step 6: Final answer
    x = 7,291,169.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.