Home / 1,648,381.60-2,471,391.60-636,637.60

Finding the Fourth Proportional to 1,648,381.60, 2,471,391.60 and 636,637.60

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Solution

The fourth proportional to 1,648,381.60, 2,471,391.60 and 636,637.60 is: 954,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,381.60 : 2,471,391.60 = 636,637.60 : x
  2. Step 2: Convert to fraction form
    1,648,381.60/2,471,391.60 = 636,637.60/x
  3. Step 3: Cross multiply
    1,648,381.60x = 2,471,391.60 × 636,637.60
  4. Step 4: Simplify right side
    1,648,381.60x = 1,573,380,816,884.16
  5. Step 5: Solve for x
    x = 1,573,380,816,884.16/1,648,381.60
  6. Step 6: Final answer
    x = 954,500.35

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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.