Home / 2,127,038-3,189,866.88-706,712.72

Finding the Fourth Proportional to 2,127,038, 3,189,866.88 and 706,712.72

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Solution

The fourth proportional to 2,127,038, 3,189,866.88 and 706,712.72 is: 1,059,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,038 : 3,189,866.88 = 706,712.72 : x
  2. Step 2: Convert to fraction form
    2,127,038/3,189,866.88 = 706,712.72/x
  3. Step 3: Cross multiply
    2,127,038x = 3,189,866.88 × 706,712.72
  4. Step 4: Simplify right side
    2,127,038x = 2,254,319,499,202.71
  5. Step 5: Solve for x
    x = 2,254,319,499,202.71/2,127,038
  6. Step 6: Final answer
    x = 1,059,839.79

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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.