Home / 3,189,957.40-4,402,042.50-1,813,451.32

Finding the Fourth Proportional to 3,189,957.40, 4,402,042.50 and 1,813,451.32

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Solution

The fourth proportional to 3,189,957.40, 4,402,042.50 and 1,813,451.32 is: 2,502,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,957.40 : 4,402,042.50 = 1,813,451.32 : x
  2. Step 2: Convert to fraction form
    3,189,957.40/4,402,042.50 = 1,813,451.32/x
  3. Step 3: Cross multiply
    3,189,957.40x = 4,402,042.50 × 1,813,451.32
  4. Step 4: Simplify right side
    3,189,957.40x = 7,982,889,782,321.10
  5. Step 5: Solve for x
    x = 7,982,889,782,321.10/3,189,957.40
  6. Step 6: Final answer
    x = 2,502,506.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.