Home / 2,698,428.14-4,046,490-1,561,974.78

Finding the Fourth Proportional to 2,698,428.14, 4,046,490 and 1,561,974.78

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Solution

The fourth proportional to 2,698,428.14, 4,046,490 and 1,561,974.78 is: 2,342,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,428.14 : 4,046,490 = 1,561,974.78 : x
  2. Step 2: Convert to fraction form
    2,698,428.14/4,046,490 = 1,561,974.78/x
  3. Step 3: Cross multiply
    2,698,428.14x = 4,046,490 × 1,561,974.78
  4. Step 4: Simplify right side
    2,698,428.14x = 6,320,515,327,522.20
  5. Step 5: Solve for x
    x = 6,320,515,327,522.20/2,698,428.14
  6. Step 6: Final answer
    x = 2,342,295.22

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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.