Home / 5,320,228.40-7,981,379.40-2,124,810.80

Finding the Fourth Proportional to 5,320,228.40, 7,981,379.40 and 2,124,810.80

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Solution

The fourth proportional to 5,320,228.40, 7,981,379.40 and 2,124,810.80 is: 3,187,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,228.40 : 7,981,379.40 = 2,124,810.80 : x
  2. Step 2: Convert to fraction form
    5,320,228.40/7,981,379.40 = 2,124,810.80/x
  3. Step 3: Cross multiply
    5,320,228.40x = 7,981,379.40 × 2,124,810.80
  4. Step 4: Simplify right side
    5,320,228.40x = 16,958,921,148,017.52
  5. Step 5: Solve for x
    x = 16,958,921,148,017.52/5,320,228.40
  6. Step 6: Final answer
    x = 3,187,630.28

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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.