Home / 2,999,642.88-4,500,125.28-869,815.92

Finding the Fourth Proportional to 2,999,642.88, 4,500,125.28 and 869,815.92

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Solution

The fourth proportional to 2,999,642.88, 4,500,125.28 and 869,815.92 is: 1,304,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,642.88 : 4,500,125.28 = 869,815.92 : x
  2. Step 2: Convert to fraction form
    2,999,642.88/4,500,125.28 = 869,815.92/x
  3. Step 3: Cross multiply
    2,999,642.88x = 4,500,125.28 × 869,815.92
  4. Step 4: Simplify right side
    2,999,642.88x = 3,914,280,610,538.46
  5. Step 5: Solve for x
    x = 3,914,280,610,538.46/2,999,642.88
  6. Step 6: Final answer
    x = 1,304,915.54

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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.