Home / 2,182,143.10-3,011,450.91-1,215,273.39

Finding the Fourth Proportional to 2,182,143.10, 3,011,450.91 and 1,215,273.39

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Solution

The fourth proportional to 2,182,143.10, 3,011,450.91 and 1,215,273.39 is: 1,677,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,143.10 : 3,011,450.91 = 1,215,273.39 : x
  2. Step 2: Convert to fraction form
    2,182,143.10/3,011,450.91 = 1,215,273.39/x
  3. Step 3: Cross multiply
    2,182,143.10x = 3,011,450.91 × 1,215,273.39
  4. Step 4: Simplify right side
    2,182,143.10x = 3,659,736,156,214.28
  5. Step 5: Solve for x
    x = 3,659,736,156,214.28/2,182,143.10
  6. Step 6: Final answer
    x = 1,677,129.31

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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.