Home / 1,811,715.21-2,500,175.07-995,971.46

Finding the Fourth Proportional to 1,811,715.21, 2,500,175.07 and 995,971.46

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Solution

The fourth proportional to 1,811,715.21, 2,500,175.07 and 995,971.46 is: 1,374,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,715.21 : 2,500,175.07 = 995,971.46 : x
  2. Step 2: Convert to fraction form
    1,811,715.21/2,500,175.07 = 995,971.46/x
  3. Step 3: Cross multiply
    1,811,715.21x = 2,500,175.07 × 995,971.46
  4. Step 4: Simplify right side
    1,811,715.21x = 2,490,103,002,222.63
  5. Step 5: Solve for x
    x = 2,490,103,002,222.63/1,811,715.21
  6. Step 6: Final answer
    x = 1,374,445.05

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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.