Home / 2,250,130.57-3,105,188.37-1,217,638.25

Finding the Fourth Proportional to 2,250,130.57, 3,105,188.37 and 1,217,638.25

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Solution

The fourth proportional to 2,250,130.57, 3,105,188.37 and 1,217,638.25 is: 1,680,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,130.57 : 3,105,188.37 = 1,217,638.25 : x
  2. Step 2: Convert to fraction form
    2,250,130.57/3,105,188.37 = 1,217,638.25/x
  3. Step 3: Cross multiply
    2,250,130.57x = 3,105,188.37 × 1,217,638.25
  4. Step 4: Simplify right side
    2,250,130.57x = 3,780,996,132,767.15
  5. Step 5: Solve for x
    x = 3,780,996,132,767.15/2,250,130.57
  6. Step 6: Final answer
    x = 1,680,345.22

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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.