Home / 4,870,780.20-7,306,631.10-1,324,924.20

Finding the Fourth Proportional to 4,870,780.20, 7,306,631.10 and 1,324,924.20

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Solution

The fourth proportional to 4,870,780.20, 7,306,631.10 and 1,324,924.20 is: 1,987,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870,780.20 : 7,306,631.10 = 1,324,924.20 : x
  2. Step 2: Convert to fraction form
    4,870,780.20/7,306,631.10 = 1,324,924.20/x
  3. Step 3: Cross multiply
    4,870,780.20x = 7,306,631.10 × 1,324,924.20
  4. Step 4: Simplify right side
    4,870,780.20x = 9,680,732,364,862.62
  5. Step 5: Solve for x
    x = 9,680,732,364,862.62/4,870,780.20
  6. Step 6: Final answer
    x = 1,987,511.64

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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.