Home / 2,136,294.33-2,948,012.28-1,218,820.50

Finding the Fourth Proportional to 2,136,294.33, 2,948,012.28 and 1,218,820.50

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Solution

The fourth proportional to 2,136,294.33, 2,948,012.28 and 1,218,820.50 is: 1,681,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,294.33 : 2,948,012.28 = 1,218,820.50 : x
  2. Step 2: Convert to fraction form
    2,136,294.33/2,948,012.28 = 1,218,820.50/x
  3. Step 3: Cross multiply
    2,136,294.33x = 2,948,012.28 × 1,218,820.50
  4. Step 4: Simplify right side
    2,136,294.33x = 3,593,097,801,115.74
  5. Step 5: Solve for x
    x = 3,593,097,801,115.74/2,136,294.33
  6. Step 6: Final answer
    x = 1,681,930.13

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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.