Home / 1,811,671.72-2,500,138.04-995,909.76

Finding the Fourth Proportional to 1,811,671.72, 2,500,138.04 and 995,909.76

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Solution

The fourth proportional to 1,811,671.72, 2,500,138.04 and 995,909.76 is: 1,374,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,671.72 : 2,500,138.04 = 995,909.76 : x
  2. Step 2: Convert to fraction form
    1,811,671.72/2,500,138.04 = 995,909.76/x
  3. Step 3: Cross multiply
    1,811,671.72x = 2,500,138.04 × 995,909.76
  4. Step 4: Simplify right side
    1,811,671.72x = 2,489,911,875,383.27
  5. Step 5: Solve for x
    x = 2,489,911,875,383.27/1,811,671.72
  6. Step 6: Final answer
    x = 1,374,372.55

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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.