Home / 2,102,811.89-3,154,217.90-663,641.15

Finding the Fourth Proportional to 2,102,811.89, 3,154,217.90 and 663,641.15

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Solution

The fourth proportional to 2,102,811.89, 3,154,217.90 and 663,641.15 is: 995,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,811.89 : 3,154,217.90 = 663,641.15 : x
  2. Step 2: Convert to fraction form
    2,102,811.89/3,154,217.90 = 663,641.15/x
  3. Step 3: Cross multiply
    2,102,811.89x = 3,154,217.90 × 663,641.15
  4. Step 4: Simplify right side
    2,102,811.89x = 2,093,268,775,417.29
  5. Step 5: Solve for x
    x = 2,093,268,775,417.29/2,102,811.89
  6. Step 6: Final answer
    x = 995,461.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.