Home / 3,120,505.70-4,680,758.55-2,759,699.30

Finding the Fourth Proportional to 3,120,505.70, 4,680,758.55 and 2,759,699.30

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Solution

The fourth proportional to 3,120,505.70, 4,680,758.55 and 2,759,699.30 is: 4,139,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,505.70 : 4,680,758.55 = 2,759,699.30 : x
  2. Step 2: Convert to fraction form
    3,120,505.70/4,680,758.55 = 2,759,699.30/x
  3. Step 3: Cross multiply
    3,120,505.70x = 4,680,758.55 × 2,759,699.30
  4. Step 4: Simplify right side
    3,120,505.70x = 12,917,486,093,904.01
  5. Step 5: Solve for x
    x = 12,917,486,093,904.01/3,120,505.70
  6. Step 6: Final answer
    x = 4,139,548.95

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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.