Home / 3,899,875.41-5,381,809.70-2,181,002.76

Finding the Fourth Proportional to 3,899,875.41, 5,381,809.70 and 2,181,002.76

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Solution

The fourth proportional to 3,899,875.41, 5,381,809.70 and 2,181,002.76 is: 3,009,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,875.41 : 5,381,809.70 = 2,181,002.76 : x
  2. Step 2: Convert to fraction form
    3,899,875.41/5,381,809.70 = 2,181,002.76/x
  3. Step 3: Cross multiply
    3,899,875.41x = 5,381,809.70 × 2,181,002.76
  4. Step 4: Simplify right side
    3,899,875.41x = 11,737,741,798,589.76
  5. Step 5: Solve for x
    x = 11,737,741,798,589.76/3,899,875.41
  6. Step 6: Final answer
    x = 3,009,773.53

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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.