Home / 3,912,005.43-5,398,487.10-2,169,393.66

Finding the Fourth Proportional to 3,912,005.43, 5,398,487.10 and 2,169,393.66

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Solution

The fourth proportional to 3,912,005.43, 5,398,487.10 and 2,169,393.66 is: 2,993,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,005.43 : 5,398,487.10 = 2,169,393.66 : x
  2. Step 2: Convert to fraction form
    3,912,005.43/5,398,487.10 = 2,169,393.66/x
  3. Step 3: Cross multiply
    3,912,005.43x = 5,398,487.10 × 2,169,393.66
  4. Step 4: Simplify right side
    3,912,005.43x = 11,711,443,688,331.79
  5. Step 5: Solve for x
    x = 11,711,443,688,331.79/3,912,005.43
  6. Step 6: Final answer
    x = 2,993,718.67

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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.