Home / 1,996,277.32-2,754,917.90-1,221,892.72

Finding the Fourth Proportional to 1,996,277.32, 2,754,917.90 and 1,221,892.72

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Solution

The fourth proportional to 1,996,277.32, 2,754,917.90 and 1,221,892.72 is: 1,686,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,277.32 : 2,754,917.90 = 1,221,892.72 : x
  2. Step 2: Convert to fraction form
    1,996,277.32/2,754,917.90 = 1,221,892.72/x
  3. Step 3: Cross multiply
    1,996,277.32x = 2,754,917.90 × 1,221,892.72
  4. Step 4: Simplify right side
    1,996,277.32x = 3,366,214,126,207.69
  5. Step 5: Solve for x
    x = 3,366,214,126,207.69/1,996,277.32
  6. Step 6: Final answer
    x = 1,686,245.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.