Home / 2,545,385.80-3,818,078.70-1,124,710.60

Finding the Fourth Proportional to 2,545,385.80, 3,818,078.70 and 1,124,710.60

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Solution

The fourth proportional to 2,545,385.80, 3,818,078.70 and 1,124,710.60 is: 1,687,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,385.80 : 3,818,078.70 = 1,124,710.60 : x
  2. Step 2: Convert to fraction form
    2,545,385.80/3,818,078.70 = 1,124,710.60/x
  3. Step 3: Cross multiply
    2,545,385.80x = 3,818,078.70 × 1,124,710.60
  4. Step 4: Simplify right side
    2,545,385.80x = 4,294,233,585,524.22
  5. Step 5: Solve for x
    x = 4,294,233,585,524.22/2,545,385.80
  6. Step 6: Final answer
    x = 1,687,065.90

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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.