Home / 1,872,932.45-2,809,400.05-452,989.90

Finding the Fourth Proportional to 1,872,932.45, 2,809,400.05 and 452,989.90

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Solution

The fourth proportional to 1,872,932.45, 2,809,400.05 and 452,989.90 is: 679,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,932.45 : 2,809,400.05 = 452,989.90 : x
  2. Step 2: Convert to fraction form
    1,872,932.45/2,809,400.05 = 452,989.90/x
  3. Step 3: Cross multiply
    1,872,932.45x = 2,809,400.05 × 452,989.90
  4. Step 4: Simplify right side
    1,872,932.45x = 1,272,629,838,704.16
  5. Step 5: Solve for x
    x = 1,272,629,838,704.16/1,872,932.45
  6. Step 6: Final answer
    x = 679,485.18

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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.