Home / 5,332,422.80-7,999,834.68-1,689,372.33

Finding the Fourth Proportional to 5,332,422.80, 7,999,834.68 and 1,689,372.33

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Solution

The fourth proportional to 5,332,422.80, 7,999,834.68 and 1,689,372.33 is: 2,534,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332,422.80 : 7,999,834.68 = 1,689,372.33 : x
  2. Step 2: Convert to fraction form
    5,332,422.80/7,999,834.68 = 1,689,372.33/x
  3. Step 3: Cross multiply
    5,332,422.80x = 7,999,834.68 × 1,689,372.33
  4. Step 4: Simplify right side
    5,332,422.80x = 13,514,699,352,966.40
  5. Step 5: Solve for x
    x = 13,514,699,352,966.40/5,332,422.80
  6. Step 6: Final answer
    x = 2,534,438.82

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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.