Home / 6,897,593-9,518,681.16-3,998,664.56

Finding the Fourth Proportional to 6,897,593, 9,518,681.16 and 3,998,664.56

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Solution

The fourth proportional to 6,897,593, 9,518,681.16 and 3,998,664.56 is: 5,518,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,593 : 9,518,681.16 = 3,998,664.56 : x
  2. Step 2: Convert to fraction form
    6,897,593/9,518,681.16 = 3,998,664.56/x
  3. Step 3: Cross multiply
    6,897,593x = 9,518,681.16 × 3,998,664.56
  4. Step 4: Simplify right side
    6,897,593x = 38,062,013,012,431.69
  5. Step 5: Solve for x
    x = 38,062,013,012,431.69/6,897,593
  6. Step 6: Final answer
    x = 5,518,158.73

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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.