Home / 3,280,123.10-4,920,184.65-883,963.10

Finding the Fourth Proportional to 3,280,123.10, 4,920,184.65 and 883,963.10

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Solution

The fourth proportional to 3,280,123.10, 4,920,184.65 and 883,963.10 is: 1,325,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,123.10 : 4,920,184.65 = 883,963.10 : x
  2. Step 2: Convert to fraction form
    3,280,123.10/4,920,184.65 = 883,963.10/x
  3. Step 3: Cross multiply
    3,280,123.10x = 4,920,184.65 × 883,963.10
  4. Step 4: Simplify right side
    3,280,123.10x = 4,349,261,675,786.42
  5. Step 5: Solve for x
    x = 4,349,261,675,786.42/3,280,123.10
  6. Step 6: Final answer
    x = 1,325,944.65

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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.