Home / 2,250,131.07-3,105,189.06-1,217,638.75

Finding the Fourth Proportional to 2,250,131.07, 3,105,189.06 and 1,217,638.75

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Solution

The fourth proportional to 2,250,131.07, 3,105,189.06 and 1,217,638.75 is: 1,680,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,131.07 : 3,105,189.06 = 1,217,638.75 : x
  2. Step 2: Convert to fraction form
    2,250,131.07/3,105,189.06 = 1,217,638.75/x
  3. Step 3: Cross multiply
    2,250,131.07x = 3,105,189.06 × 1,217,638.75
  4. Step 4: Simplify right side
    2,250,131.07x = 3,780,998,525,532.08
  5. Step 5: Solve for x
    x = 3,780,998,525,532.08/2,250,131.07
  6. Step 6: Final answer
    x = 1,680,345.90

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1.5x scale

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.