Home / 3,220,366.17-4,439,193.08-2,728,520.40

Finding the Fourth Proportional to 3,220,366.17, 4,439,193.08 and 2,728,520.40

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Solution

The fourth proportional to 3,220,366.17, 4,439,193.08 and 2,728,520.40 is: 3,761,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,366.17 : 4,439,193.08 = 2,728,520.40 : x
  2. Step 2: Convert to fraction form
    3,220,366.17/4,439,193.08 = 2,728,520.40/x
  3. Step 3: Cross multiply
    3,220,366.17x = 4,439,193.08 × 2,728,520.40
  4. Step 4: Simplify right side
    3,220,366.17x = 12,112,428,864,676.23
  5. Step 5: Solve for x
    x = 12,112,428,864,676.23/3,220,366.17
  6. Step 6: Final answer
    x = 3,761,196.16

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Double scale
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1.5x scale

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.