Home / 5,057,176.96-6,972,941.12-4,087,308.16

Finding the Fourth Proportional to 5,057,176.96, 6,972,941.12 and 4,087,308.16

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Solution

The fourth proportional to 5,057,176.96, 6,972,941.12 and 4,087,308.16 is: 5,635,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057,176.96 : 6,972,941.12 = 4,087,308.16 : x
  2. Step 2: Convert to fraction form
    5,057,176.96/6,972,941.12 = 4,087,308.16/x
  3. Step 3: Cross multiply
    5,057,176.96x = 6,972,941.12 × 4,087,308.16
  4. Step 4: Simplify right side
    5,057,176.96x = 28,500,559,138,975.54
  5. Step 5: Solve for x
    x = 28,500,559,138,975.54/5,057,176.96
  6. Step 6: Final answer
    x = 5,635,665.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.