Home / 5,290,618.20-7,301,624.04-2,998,532.76

Finding the Fourth Proportional to 5,290,618.20, 7,301,624.04 and 2,998,532.76

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Solution

The fourth proportional to 5,290,618.20, 7,301,624.04 and 2,998,532.76 is: 4,138,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,618.20 : 7,301,624.04 = 2,998,532.76 : x
  2. Step 2: Convert to fraction form
    5,290,618.20/7,301,624.04 = 2,998,532.76/x
  3. Step 3: Cross multiply
    5,290,618.20x = 7,301,624.04 × 2,998,532.76
  4. Step 4: Simplify right side
    5,290,618.20x = 21,894,158,885,143.55
  5. Step 5: Solve for x
    x = 21,894,158,885,143.55/5,290,618.20
  6. Step 6: Final answer
    x = 4,138,298.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.