Home / 2,486,979.60-3,730,469.40-1,857,123.60

Finding the Fourth Proportional to 2,486,979.60, 3,730,469.40 and 1,857,123.60

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Solution

The fourth proportional to 2,486,979.60, 3,730,469.40 and 1,857,123.60 is: 2,785,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,979.60 : 3,730,469.40 = 1,857,123.60 : x
  2. Step 2: Convert to fraction form
    2,486,979.60/3,730,469.40 = 1,857,123.60/x
  3. Step 3: Cross multiply
    2,486,979.60x = 3,730,469.40 × 1,857,123.60
  4. Step 4: Simplify right side
    2,486,979.60x = 6,927,942,761,817.84
  5. Step 5: Solve for x
    x = 6,927,942,761,817.84/2,486,979.60
  6. Step 6: Final answer
    x = 2,785,685.40

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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.