Home / 2,090,779.40-3,136,169.10-1,293,617.90

Finding the Fourth Proportional to 2,090,779.40, 3,136,169.10 and 1,293,617.90

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Solution

The fourth proportional to 2,090,779.40, 3,136,169.10 and 1,293,617.90 is: 1,940,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,779.40 : 3,136,169.10 = 1,293,617.90 : x
  2. Step 2: Convert to fraction form
    2,090,779.40/3,136,169.10 = 1,293,617.90/x
  3. Step 3: Cross multiply
    2,090,779.40x = 3,136,169.10 × 1,293,617.90
  4. Step 4: Simplify right side
    2,090,779.40x = 4,057,004,485,186.89
  5. Step 5: Solve for x
    x = 4,057,004,485,186.89/2,090,779.40
  6. Step 6: Final answer
    x = 1,940,426.85

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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.