Home / 2,720,185.66-4,080,130.88-826,779.47

Finding the Fourth Proportional to 2,720,185.66, 4,080,130.88 and 826,779.47

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Solution

The fourth proportional to 2,720,185.66, 4,080,130.88 and 826,779.47 is: 1,240,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,185.66 : 4,080,130.88 = 826,779.47 : x
  2. Step 2: Convert to fraction form
    2,720,185.66/4,080,130.88 = 826,779.47/x
  3. Step 3: Cross multiply
    2,720,185.66x = 4,080,130.88 × 826,779.47
  4. Step 4: Simplify right side
    2,720,185.66x = 3,373,368,442,363.14
  5. Step 5: Solve for x
    x = 3,373,368,442,363.14/2,720,185.66
  6. Step 6: Final answer
    x = 1,240,124.34

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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.