Home / 6,781,145.76-9,358,506-3,881,446.56

Finding the Fourth Proportional to 6,781,145.76, 9,358,506 and 3,881,446.56

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Solution

The fourth proportional to 6,781,145.76, 9,358,506 and 3,881,446.56 is: 5,356,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,145.76 : 9,358,506 = 3,881,446.56 : x
  2. Step 2: Convert to fraction form
    6,781,145.76/9,358,506 = 3,881,446.56/x
  3. Step 3: Cross multiply
    6,781,145.76x = 9,358,506 × 3,881,446.56
  4. Step 4: Simplify right side
    6,781,145.76x = 36,324,540,920,439.36
  5. Step 5: Solve for x
    x = 36,324,540,920,439.36/6,781,145.76
  6. Step 6: Final answer
    x = 5,356,696.67

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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.