Home / 3,115,503.11-4,301,672.75-2,013,586.88

Finding the Fourth Proportional to 3,115,503.11, 4,301,672.75 and 2,013,586.88

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Solution

The fourth proportional to 3,115,503.11, 4,301,672.75 and 2,013,586.88 is: 2,780,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,503.11 : 4,301,672.75 = 2,013,586.88 : x
  2. Step 2: Convert to fraction form
    3,115,503.11/4,301,672.75 = 2,013,586.88/x
  3. Step 3: Cross multiply
    3,115,503.11x = 4,301,672.75 × 2,013,586.88
  4. Step 4: Simplify right side
    3,115,503.11x = 8,661,791,787,428.17
  5. Step 5: Solve for x
    x = 8,661,791,787,428.17/3,115,503.11
  6. Step 6: Final answer
    x = 2,780,222.48

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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.