Home / 2,127,262.76-3,190,921.90-707,318.83

Finding the Fourth Proportional to 2,127,262.76, 3,190,921.90 and 707,318.83

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Solution

The fourth proportional to 2,127,262.76, 3,190,921.90 and 707,318.83 is: 1,060,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,262.76 : 3,190,921.90 = 707,318.83 : x
  2. Step 2: Convert to fraction form
    2,127,262.76/3,190,921.90 = 707,318.83/x
  3. Step 3: Cross multiply
    2,127,262.76x = 3,190,921.90 × 707,318.83
  4. Step 4: Simplify right side
    2,127,262.76x = 2,256,999,144,929.38
  5. Step 5: Solve for x
    x = 2,256,999,144,929.38/2,127,262.76
  6. Step 6: Final answer
    x = 1,060,987.48

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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.