Home / 3,956,126-5,459,453.90-2,145,291.44

Finding the Fourth Proportional to 3,956,126, 5,459,453.90 and 2,145,291.44

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Solution

The fourth proportional to 3,956,126, 5,459,453.90 and 2,145,291.44 is: 2,960,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,126 : 5,459,453.90 = 2,145,291.44 : x
  2. Step 2: Convert to fraction form
    3,956,126/5,459,453.90 = 2,145,291.44/x
  3. Step 3: Cross multiply
    3,956,126x = 5,459,453.90 × 2,145,291.44
  4. Step 4: Simplify right side
    3,956,126x = 11,712,119,718,744.62
  5. Step 5: Solve for x
    x = 11,712,119,718,744.62/3,956,126
  6. Step 6: Final answer
    x = 2,960,502.20

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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.