Home / 2,600,491.20-3,899,181.60-1,340,779.20

Finding the Fourth Proportional to 2,600,491.20, 3,899,181.60 and 1,340,779.20

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Solution

The fourth proportional to 2,600,491.20, 3,899,181.60 and 1,340,779.20 is: 2,010,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,491.20 : 3,899,181.60 = 1,340,779.20 : x
  2. Step 2: Convert to fraction form
    2,600,491.20/3,899,181.60 = 1,340,779.20/x
  3. Step 3: Cross multiply
    2,600,491.20x = 3,899,181.60 × 1,340,779.20
  4. Step 4: Simplify right side
    2,600,491.20x = 5,227,941,586,302.72
  5. Step 5: Solve for x
    x = 5,227,941,586,302.72/2,600,491.20
  6. Step 6: Final answer
    x = 2,010,366.96

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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.