Home / 1,913,942.28-2,871,290.88-547,728.78

Finding the Fourth Proportional to 1,913,942.28, 2,871,290.88 and 547,728.78

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Solution

The fourth proportional to 1,913,942.28, 2,871,290.88 and 547,728.78 is: 821,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,942.28 : 2,871,290.88 = 547,728.78 : x
  2. Step 2: Convert to fraction form
    1,913,942.28/2,871,290.88 = 547,728.78/x
  3. Step 3: Cross multiply
    1,913,942.28x = 2,871,290.88 × 547,728.78
  4. Step 4: Simplify right side
    1,913,942.28x = 1,572,688,650,727.53
  5. Step 5: Solve for x
    x = 1,572,688,650,727.53/1,913,942.28
  6. Step 6: Final answer
    x = 821,701.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.