Home / 2,664,663.63-3,996,958.29-642,890.55

Finding the Fourth Proportional to 2,664,663.63, 3,996,958.29 and 642,890.55

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Solution

The fourth proportional to 2,664,663.63, 3,996,958.29 and 642,890.55 is: 964,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,663.63 : 3,996,958.29 = 642,890.55 : x
  2. Step 2: Convert to fraction form
    2,664,663.63/3,996,958.29 = 642,890.55/x
  3. Step 3: Cross multiply
    2,664,663.63x = 3,996,958.29 × 642,890.55
  4. Step 4: Simplify right side
    2,664,663.63x = 2,569,606,713,385.16
  5. Step 5: Solve for x
    x = 2,569,606,713,385.16/2,664,663.63
  6. Step 6: Final answer
    x = 964,326.86

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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.