Home / 2,992,984.82-4,490,140.59-862,902.70

Finding the Fourth Proportional to 2,992,984.82, 4,490,140.59 and 862,902.70

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Solution

The fourth proportional to 2,992,984.82, 4,490,140.59 and 862,902.70 is: 1,294,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,984.82 : 4,490,140.59 = 862,902.70 : x
  2. Step 2: Convert to fraction form
    2,992,984.82/4,490,140.59 = 862,902.70/x
  3. Step 3: Cross multiply
    2,992,984.82x = 4,490,140.59 × 862,902.70
  4. Step 4: Simplify right side
    2,992,984.82x = 3,874,554,438,490.59
  5. Step 5: Solve for x
    x = 3,874,554,438,490.59/2,992,984.82
  6. Step 6: Final answer
    x = 1,294,545.30

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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.