Home / 2,461,963.20-3,693,290.40-778,891.20

Finding the Fourth Proportional to 2,461,963.20, 3,693,290.40 and 778,891.20

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Solution

The fourth proportional to 2,461,963.20, 3,693,290.40 and 778,891.20 is: 1,168,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,963.20 : 3,693,290.40 = 778,891.20 : x
  2. Step 2: Convert to fraction form
    2,461,963.20/3,693,290.40 = 778,891.20/x
  3. Step 3: Cross multiply
    2,461,963.20x = 3,693,290.40 × 778,891.20
  4. Step 4: Simplify right side
    2,461,963.20x = 2,876,671,391,604.48
  5. Step 5: Solve for x
    x = 2,876,671,391,604.48/2,461,963.20
  6. Step 6: Final answer
    x = 1,168,446.14

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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.