Home / 2,937,805.38-4,406,200.20-778,844.88

Finding the Fourth Proportional to 2,937,805.38, 4,406,200.20 and 778,844.88

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Solution

The fourth proportional to 2,937,805.38, 4,406,200.20 and 778,844.88 is: 1,168,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937,805.38 : 4,406,200.20 = 778,844.88 : x
  2. Step 2: Convert to fraction form
    2,937,805.38/4,406,200.20 = 778,844.88/x
  3. Step 3: Cross multiply
    2,937,805.38x = 4,406,200.20 × 778,844.88
  4. Step 4: Simplify right side
    2,937,805.38x = 3,431,746,466,024.98
  5. Step 5: Solve for x
    x = 3,431,746,466,024.98/2,937,805.38
  6. Step 6: Final answer
    x = 1,168,132.68

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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.