Home / 3,510,667.20-5,266,000.80-2,158,445.10

Finding the Fourth Proportional to 3,510,667.20, 5,266,000.80 and 2,158,445.10

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Solution

The fourth proportional to 3,510,667.20, 5,266,000.80 and 2,158,445.10 is: 3,237,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,667.20 : 5,266,000.80 = 2,158,445.10 : x
  2. Step 2: Convert to fraction form
    3,510,667.20/5,266,000.80 = 2,158,445.10/x
  3. Step 3: Cross multiply
    3,510,667.20x = 5,266,000.80 × 2,158,445.10
  4. Step 4: Simplify right side
    3,510,667.20x = 11,366,373,623,356.08
  5. Step 5: Solve for x
    x = 11,366,373,623,356.08/3,510,667.20
  6. Step 6: Final answer
    x = 3,237,667.65

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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.