Home / 6,428,226.43-8,871,207.91-3,527,721.80

Finding the Fourth Proportional to 6,428,226.43, 8,871,207.91 and 3,527,721.80

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Solution

The fourth proportional to 6,428,226.43, 8,871,207.91 and 3,527,721.80 is: 4,868,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,226.43 : 8,871,207.91 = 3,527,721.80 : x
  2. Step 2: Convert to fraction form
    6,428,226.43/8,871,207.91 = 3,527,721.80/x
  3. Step 3: Cross multiply
    6,428,226.43x = 8,871,207.91 × 3,527,721.80
  4. Step 4: Simplify right side
    6,428,226.43x = 31,295,153,483,264.09
  5. Step 5: Solve for x
    x = 31,295,153,483,264.09/6,428,226.43
  6. Step 6: Final answer
    x = 4,868,396.26

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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.