Home / 1,811,170.74-2,499,475.55-995,403.36

Finding the Fourth Proportional to 1,811,170.74, 2,499,475.55 and 995,403.36

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Solution

The fourth proportional to 1,811,170.74, 2,499,475.55 and 995,403.36 is: 1,373,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,170.74 : 2,499,475.55 = 995,403.36 : x
  2. Step 2: Convert to fraction form
    1,811,170.74/2,499,475.55 = 995,403.36/x
  3. Step 3: Cross multiply
    1,811,170.74x = 2,499,475.55 × 995,403.36
  4. Step 4: Simplify right side
    1,811,170.74x = 2,487,986,355,730.83
  5. Step 5: Solve for x
    x = 2,487,986,355,730.83/1,811,170.74
  6. Step 6: Final answer
    x = 1,373,689.57

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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.