Home / 1,997,470.80-2,995,720.20-577,378.80

Finding the Fourth Proportional to 1,997,470.80, 2,995,720.20 and 577,378.80

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Solution

The fourth proportional to 1,997,470.80, 2,995,720.20 and 577,378.80 is: 865,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,470.80 : 2,995,720.20 = 577,378.80 : x
  2. Step 2: Convert to fraction form
    1,997,470.80/2,995,720.20 = 577,378.80/x
  3. Step 3: Cross multiply
    1,997,470.80x = 2,995,720.20 × 577,378.80
  4. Step 4: Simplify right side
    1,997,470.80x = 1,729,665,334,211.76
  5. Step 5: Solve for x
    x = 1,729,665,334,211.76/1,997,470.80
  6. Step 6: Final answer
    x = 865,927.72

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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.