Home / 4,680,387.60-7,018,507.80-2,156,816.40

Finding the Fourth Proportional to 4,680,387.60, 7,018,507.80 and 2,156,816.40

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Solution

The fourth proportional to 4,680,387.60, 7,018,507.80 and 2,156,816.40 is: 3,234,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,387.60 : 7,018,507.80 = 2,156,816.40 : x
  2. Step 2: Convert to fraction form
    4,680,387.60/7,018,507.80 = 2,156,816.40/x
  3. Step 3: Cross multiply
    4,680,387.60x = 7,018,507.80 × 2,156,816.40
  4. Step 4: Simplify right side
    4,680,387.60x = 15,137,632,726,567.92
  5. Step 5: Solve for x
    x = 15,137,632,726,567.92/4,680,387.60
  6. Step 6: Final answer
    x = 3,234,269.04

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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.