Home / 4,479,463.60-6,719,195.40-1,639,862.80

Finding the Fourth Proportional to 4,479,463.60, 6,719,195.40 and 1,639,862.80

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Solution

The fourth proportional to 4,479,463.60, 6,719,195.40 and 1,639,862.80 is: 2,459,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,463.60 : 6,719,195.40 = 1,639,862.80 : x
  2. Step 2: Convert to fraction form
    4,479,463.60/6,719,195.40 = 1,639,862.80/x
  3. Step 3: Cross multiply
    4,479,463.60x = 6,719,195.40 × 1,639,862.80
  4. Step 4: Simplify right side
    4,479,463.60x = 11,018,558,582,391.12
  5. Step 5: Solve for x
    x = 11,018,558,582,391.12/4,479,463.60
  6. Step 6: Final answer
    x = 2,459,794.20

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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.