Home / 2,187,612.80-3,281,419.20-590,422.40

Finding the Fourth Proportional to 2,187,612.80, 3,281,419.20 and 590,422.40

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Solution

The fourth proportional to 2,187,612.80, 3,281,419.20 and 590,422.40 is: 885,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,612.80 : 3,281,419.20 = 590,422.40 : x
  2. Step 2: Convert to fraction form
    2,187,612.80/3,281,419.20 = 590,422.40/x
  3. Step 3: Cross multiply
    2,187,612.80x = 3,281,419.20 × 590,422.40
  4. Step 4: Simplify right side
    2,187,612.80x = 1,937,423,399,470.08
  5. Step 5: Solve for x
    x = 1,937,423,399,470.08/2,187,612.80
  6. Step 6: Final answer
    x = 885,633.60

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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.