Home / 2,173,679.12-2,999,560.10-1,206,747.14

Finding the Fourth Proportional to 2,173,679.12, 2,999,560.10 and 1,206,747.14

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Solution

The fourth proportional to 2,173,679.12, 2,999,560.10 and 1,206,747.14 is: 1,665,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,679.12 : 2,999,560.10 = 1,206,747.14 : x
  2. Step 2: Convert to fraction form
    2,173,679.12/2,999,560.10 = 1,206,747.14/x
  3. Step 3: Cross multiply
    2,173,679.12x = 2,999,560.10 × 1,206,747.14
  4. Step 4: Simplify right side
    2,173,679.12x = 3,619,710,550,901.58
  5. Step 5: Solve for x
    x = 3,619,710,550,901.58/2,173,679.12
  6. Step 6: Final answer
    x = 1,665,246.04

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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.