Home / 2,123,160.90-2,930,044.97-1,205,475.42

Finding the Fourth Proportional to 2,123,160.90, 2,930,044.97 and 1,205,475.42

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Solution

The fourth proportional to 2,123,160.90, 2,930,044.97 and 1,205,475.42 is: 1,663,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,160.90 : 2,930,044.97 = 1,205,475.42 : x
  2. Step 2: Convert to fraction form
    2,123,160.90/2,930,044.97 = 1,205,475.42/x
  3. Step 3: Cross multiply
    2,123,160.90x = 2,930,044.97 × 1,205,475.42
  4. Step 4: Simplify right side
    2,123,160.90x = 3,532,097,190,829.64
  5. Step 5: Solve for x
    x = 3,532,097,190,829.64/2,123,160.90
  6. Step 6: Final answer
    x = 1,663,603.16

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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.