Home / 2,250,148.23-3,105,212.76-1,217,655.90

Finding the Fourth Proportional to 2,250,148.23, 3,105,212.76 and 1,217,655.90

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Solution

The fourth proportional to 2,250,148.23, 3,105,212.76 and 1,217,655.90 is: 1,680,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,148.23 : 3,105,212.76 = 1,217,655.90 : x
  2. Step 2: Convert to fraction form
    2,250,148.23/3,105,212.76 = 1,217,655.90/x
  3. Step 3: Cross multiply
    2,250,148.23x = 3,105,212.76 × 1,217,655.90
  4. Step 4: Simplify right side
    2,250,148.23x = 3,781,080,637,969.28
  5. Step 5: Solve for x
    x = 3,781,080,637,969.28/2,250,148.23
  6. Step 6: Final answer
    x = 1,680,369.58

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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.