Home / 6,459,871.81-8,914,510.85-3,519,713.07

Finding the Fourth Proportional to 6,459,871.81, 8,914,510.85 and 3,519,713.07

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Solution

The fourth proportional to 6,459,871.81, 8,914,510.85 and 3,519,713.07 is: 4,857,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,871.81 : 8,914,510.85 = 3,519,713.07 : x
  2. Step 2: Convert to fraction form
    6,459,871.81/8,914,510.85 = 3,519,713.07/x
  3. Step 3: Cross multiply
    6,459,871.81x = 8,914,510.85 × 3,519,713.07
  4. Step 4: Simplify right side
    6,459,871.81x = 31,376,520,304,939.34
  5. Step 5: Solve for x
    x = 31,376,520,304,939.34/6,459,871.81
  6. Step 6: Final answer
    x = 4,857,142.87

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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.