Home / 3,240,022.80-4,860,034.20-1,728,368.40

Finding the Fourth Proportional to 3,240,022.80, 4,860,034.20 and 1,728,368.40

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Solution

The fourth proportional to 3,240,022.80, 4,860,034.20 and 1,728,368.40 is: 2,592,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,022.80 : 4,860,034.20 = 1,728,368.40 : x
  2. Step 2: Convert to fraction form
    3,240,022.80/4,860,034.20 = 1,728,368.40/x
  3. Step 3: Cross multiply
    3,240,022.80x = 4,860,034.20 × 1,728,368.40
  4. Step 4: Simplify right side
    3,240,022.80x = 8,399,929,534,199.28
  5. Step 5: Solve for x
    x = 8,399,929,534,199.28/3,240,022.80
  6. Step 6: Final answer
    x = 2,592,552.60

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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.