Home / 2,792,186.24-4,187,780.38-742,857.88

Finding the Fourth Proportional to 2,792,186.24, 4,187,780.38 and 742,857.88

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Solution

The fourth proportional to 2,792,186.24, 4,187,780.38 and 742,857.88 is: 1,114,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,186.24 : 4,187,780.38 = 742,857.88 : x
  2. Step 2: Convert to fraction form
    2,792,186.24/4,187,780.38 = 742,857.88/x
  3. Step 3: Cross multiply
    2,792,186.24x = 4,187,780.38 × 742,857.88
  4. Step 4: Simplify right side
    2,792,186.24x = 3,110,925,654,992.39
  5. Step 5: Solve for x
    x = 3,110,925,654,992.39/2,792,186.24
  6. Step 6: Final answer
    x = 1,114,154.07

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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.