Home / 2,217,664.59-3,060,359.31-1,287,458.65

Finding the Fourth Proportional to 2,217,664.59, 3,060,359.31 and 1,287,458.65

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Solution

The fourth proportional to 2,217,664.59, 3,060,359.31 and 1,287,458.65 is: 1,776,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,664.59 : 3,060,359.31 = 1,287,458.65 : x
  2. Step 2: Convert to fraction form
    2,217,664.59/3,060,359.31 = 1,287,458.65/x
  3. Step 3: Cross multiply
    2,217,664.59x = 3,060,359.31 × 1,287,458.65
  4. Step 4: Simplify right side
    2,217,664.59x = 3,940,086,065,767.53
  5. Step 5: Solve for x
    x = 3,940,086,065,767.53/2,217,664.59
  6. Step 6: Final answer
    x = 1,776,682.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.