Home / 5,172,697-7,137,810.66-2,881,070.92

Finding the Fourth Proportional to 5,172,697, 7,137,810.66 and 2,881,070.92

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Solution

The fourth proportional to 5,172,697, 7,137,810.66 and 2,881,070.92 is: 3,975,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,697 : 7,137,810.66 = 2,881,070.92 : x
  2. Step 2: Convert to fraction form
    5,172,697/7,137,810.66 = 2,881,070.92/x
  3. Step 3: Cross multiply
    5,172,697x = 7,137,810.66 × 2,881,070.92
  4. Step 4: Simplify right side
    5,172,697x = 20,564,538,724,992.01
  5. Step 5: Solve for x
    x = 20,564,538,724,992.01/5,172,697
  6. Step 6: Final answer
    x = 3,975,593.14

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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.