Home / 2,992,984.32-4,490,139.84-862,902.20

Finding the Fourth Proportional to 2,992,984.32, 4,490,139.84 and 862,902.20

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Solution

The fourth proportional to 2,992,984.32, 4,490,139.84 and 862,902.20 is: 1,294,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,984.32 : 4,490,139.84 = 862,902.20 : x
  2. Step 2: Convert to fraction form
    2,992,984.32/4,490,139.84 = 862,902.20/x
  3. Step 3: Cross multiply
    2,992,984.32x = 4,490,139.84 × 862,902.20
  4. Step 4: Simplify right side
    2,992,984.32x = 3,874,551,546,243.65
  5. Step 5: Solve for x
    x = 3,874,551,546,243.65/2,992,984.32
  6. Step 6: Final answer
    x = 1,294,544.55

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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.