Home / 2,250,130.32-3,105,188.02-1,217,638

Finding the Fourth Proportional to 2,250,130.32, 3,105,188.02 and 1,217,638

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Solution

The fourth proportional to 2,250,130.32, 3,105,188.02 and 1,217,638 is: 1,680,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,130.32 : 3,105,188.02 = 1,217,638 : x
  2. Step 2: Convert to fraction form
    2,250,130.32/3,105,188.02 = 1,217,638/x
  3. Step 3: Cross multiply
    2,250,130.32x = 3,105,188.02 × 1,217,638
  4. Step 4: Simplify right side
    2,250,130.32x = 3,780,994,930,296.76
  5. Step 5: Solve for x
    x = 3,780,994,930,296.76/2,250,130.32
  6. Step 6: Final answer
    x = 1,680,344.87

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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.