Home / 3,912,003.46-5,398,484.34-2,169,391.66

Finding the Fourth Proportional to 3,912,003.46, 5,398,484.34 and 2,169,391.66

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Solution

The fourth proportional to 3,912,003.46, 5,398,484.34 and 2,169,391.66 is: 2,993,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,003.46 : 5,398,484.34 = 2,169,391.66 : x
  2. Step 2: Convert to fraction form
    3,912,003.46/5,398,484.34 = 2,169,391.66/x
  3. Step 3: Cross multiply
    3,912,003.46x = 5,398,484.34 × 2,169,391.66
  4. Step 4: Simplify right side
    3,912,003.46x = 11,711,426,903,836.61
  5. Step 5: Solve for x
    x = 11,711,426,903,836.61/3,912,003.46
  6. Step 6: Final answer
    x = 2,993,715.89

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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.