Home / 4,860,012.40-7,290,018.60-3,915,228.40

Finding the Fourth Proportional to 4,860,012.40, 7,290,018.60 and 3,915,228.40

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Solution

The fourth proportional to 4,860,012.40, 7,290,018.60 and 3,915,228.40 is: 5,872,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,012.40 : 7,290,018.60 = 3,915,228.40 : x
  2. Step 2: Convert to fraction form
    4,860,012.40/7,290,018.60 = 3,915,228.40/x
  3. Step 3: Cross multiply
    4,860,012.40x = 7,290,018.60 × 3,915,228.40
  4. Step 4: Simplify right side
    4,860,012.40x = 28,542,087,859,248.24
  5. Step 5: Solve for x
    x = 28,542,087,859,248.24/4,860,012.40
  6. Step 6: Final answer
    x = 5,872,842.60

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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.