Home / 3,129,434.40-4,314,378.96-2,675,425.62

Finding the Fourth Proportional to 3,129,434.40, 4,314,378.96 and 2,675,425.62

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Solution

The fourth proportional to 3,129,434.40, 4,314,378.96 and 2,675,425.62 is: 3,688,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,434.40 : 4,314,378.96 = 2,675,425.62 : x
  2. Step 2: Convert to fraction form
    3,129,434.40/4,314,378.96 = 2,675,425.62/x
  3. Step 3: Cross multiply
    3,129,434.40x = 4,314,378.96 × 2,675,425.62
  4. Step 4: Simplify right side
    3,129,434.40x = 11,542,800,003,972.96
  5. Step 5: Solve for x
    x = 11,542,800,003,972.96/3,129,434.40
  6. Step 6: Final answer
    x = 3,688,462.04

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Double scale
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1.5x scale

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.