Home / 3,078,142.28-4,617,213.46-834,280.28

Finding the Fourth Proportional to 3,078,142.28, 4,617,213.46 and 834,280.28

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Solution

The fourth proportional to 3,078,142.28, 4,617,213.46 and 834,280.28 is: 1,251,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,142.28 : 4,617,213.46 = 834,280.28 : x
  2. Step 2: Convert to fraction form
    3,078,142.28/4,617,213.46 = 834,280.28/x
  3. Step 3: Cross multiply
    3,078,142.28x = 4,617,213.46 × 834,280.28
  4. Step 4: Simplify right side
    3,078,142.28x = 3,852,050,138,228.57
  5. Step 5: Solve for x
    x = 3,852,050,138,228.57/3,078,142.28
  6. Step 6: Final answer
    x = 1,251,420.43

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Double scale
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Similar ratio
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1.5x scale

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.