Home / 2,738,891.60-4,108,337.40-1,787,109.20

Finding the Fourth Proportional to 2,738,891.60, 4,108,337.40 and 1,787,109.20

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Solution

The fourth proportional to 2,738,891.60, 4,108,337.40 and 1,787,109.20 is: 2,680,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,891.60 : 4,108,337.40 = 1,787,109.20 : x
  2. Step 2: Convert to fraction form
    2,738,891.60/4,108,337.40 = 1,787,109.20/x
  3. Step 3: Cross multiply
    2,738,891.60x = 4,108,337.40 × 1,787,109.20
  4. Step 4: Simplify right side
    2,738,891.60x = 7,342,047,564,244.08
  5. Step 5: Solve for x
    x = 7,342,047,564,244.08/2,738,891.60
  6. Step 6: Final answer
    x = 2,680,663.80

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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.