Home / 2,664,673.71-3,996,973.43-642,900.66

Finding the Fourth Proportional to 2,664,673.71, 3,996,973.43 and 642,900.66

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Solution

The fourth proportional to 2,664,673.71, 3,996,973.43 and 642,900.66 is: 964,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,673.71 : 3,996,973.43 = 642,900.66 : x
  2. Step 2: Convert to fraction form
    2,664,673.71/3,996,973.43 = 642,900.66/x
  3. Step 3: Cross multiply
    2,664,673.71x = 3,996,973.43 × 642,900.66
  4. Step 4: Simplify right side
    2,664,673.71x = 2,569,656,856,149.46
  5. Step 5: Solve for x
    x = 2,569,656,856,149.46/2,664,673.71
  6. Step 6: Final answer
    x = 964,342.03

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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.