Home / 2,785,363.20-4,178,044.80-790,819.20

Finding the Fourth Proportional to 2,785,363.20, 4,178,044.80 and 790,819.20

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Solution

The fourth proportional to 2,785,363.20, 4,178,044.80 and 790,819.20 is: 1,186,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,363.20 : 4,178,044.80 = 790,819.20 : x
  2. Step 2: Convert to fraction form
    2,785,363.20/4,178,044.80 = 790,819.20/x
  3. Step 3: Cross multiply
    2,785,363.20x = 4,178,044.80 × 790,819.20
  4. Step 4: Simplify right side
    2,785,363.20x = 3,304,078,046,300.16
  5. Step 5: Solve for x
    x = 3,304,078,046,300.16/2,785,363.20
  6. Step 6: Final answer
    x = 1,186,228.80

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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.