Home / 3,931,481.17-5,427,117.96-2,643,069.06

Finding the Fourth Proportional to 3,931,481.17, 5,427,117.96 and 2,643,069.06

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Solution

The fourth proportional to 3,931,481.17, 5,427,117.96 and 2,643,069.06 is: 3,648,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,481.17 : 5,427,117.96 = 2,643,069.06 : x
  2. Step 2: Convert to fraction form
    3,931,481.17/5,427,117.96 = 2,643,069.06/x
  3. Step 3: Cross multiply
    3,931,481.17x = 5,427,117.96 × 2,643,069.06
  4. Step 4: Simplify right side
    3,931,481.17x = 14,344,247,565,046.32
  5. Step 5: Solve for x
    x = 14,344,247,565,046.32/3,931,481.17
  6. Step 6: Final answer
    x = 3,648,560.67

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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.