Home / 2,721,641.85-4,080,174.57-1,820,332.65

Finding the Fourth Proportional to 2,721,641.85, 4,080,174.57 and 1,820,332.65

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Solution

The fourth proportional to 2,721,641.85, 4,080,174.57 and 1,820,332.65 is: 2,728,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,641.85 : 4,080,174.57 = 1,820,332.65 : x
  2. Step 2: Convert to fraction form
    2,721,641.85/4,080,174.57 = 1,820,332.65/x
  3. Step 3: Cross multiply
    2,721,641.85x = 4,080,174.57 × 1,820,332.65
  4. Step 4: Simplify right side
    2,721,641.85x = 7,427,274,987,470.71
  5. Step 5: Solve for x
    x = 7,427,274,987,470.71/2,721,641.85
  6. Step 6: Final answer
    x = 2,728,968.54

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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.