Home / 4,536,390.70-6,804,586.05-4,189,969.90

Finding the Fourth Proportional to 4,536,390.70, 6,804,586.05 and 4,189,969.90

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Solution

The fourth proportional to 4,536,390.70, 6,804,586.05 and 4,189,969.90 is: 6,284,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536,390.70 : 6,804,586.05 = 4,189,969.90 : x
  2. Step 2: Convert to fraction form
    4,536,390.70/6,804,586.05 = 4,189,969.90/x
  3. Step 3: Cross multiply
    4,536,390.70x = 6,804,586.05 × 4,189,969.90
  4. Step 4: Simplify right side
    4,536,390.70x = 28,511,010,731,459.89
  5. Step 5: Solve for x
    x = 28,511,010,731,459.89/4,536,390.70
  6. Step 6: Final answer
    x = 6,284,954.85

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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.