Home / 2,664,663.12-3,996,957.54-642,890.07

Finding the Fourth Proportional to 2,664,663.12, 3,996,957.54 and 642,890.07

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Solution

The fourth proportional to 2,664,663.12, 3,996,957.54 and 642,890.07 is: 964,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,663.12 : 3,996,957.54 = 642,890.07 : x
  2. Step 2: Convert to fraction form
    2,664,663.12/3,996,957.54 = 642,890.07/x
  3. Step 3: Cross multiply
    2,664,663.12x = 3,996,957.54 × 642,890.07
  4. Step 4: Simplify right side
    2,664,663.12x = 2,569,604,312,677.63
  5. Step 5: Solve for x
    x = 2,569,604,312,677.63/2,664,663.12
  6. Step 6: Final answer
    x = 964,326.14

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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.