Home / 2,664,672.71-3,996,971.93-642,899.66

Finding the Fourth Proportional to 2,664,672.71, 3,996,971.93 and 642,899.66

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Solution

The fourth proportional to 2,664,672.71, 3,996,971.93 and 642,899.66 is: 964,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,672.71 : 3,996,971.93 = 642,899.66 : x
  2. Step 2: Convert to fraction form
    2,664,672.71/3,996,971.93 = 642,899.66/x
  3. Step 3: Cross multiply
    2,664,672.71x = 3,996,971.93 × 642,899.66
  4. Step 4: Simplify right side
    2,664,672.71x = 2,569,651,876,448.93
  5. Step 5: Solve for x
    x = 2,569,651,876,448.93/2,664,672.71
  6. Step 6: Final answer
    x = 964,340.53

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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.