Home / 1,811,673.72-2,500,140.80-995,911.76

Finding the Fourth Proportional to 1,811,673.72, 2,500,140.80 and 995,911.76

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Solution

The fourth proportional to 1,811,673.72, 2,500,140.80 and 995,911.76 is: 1,374,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,673.72 : 2,500,140.80 = 995,911.76 : x
  2. Step 2: Convert to fraction form
    1,811,673.72/2,500,140.80 = 995,911.76/x
  3. Step 3: Cross multiply
    1,811,673.72x = 2,500,140.80 × 995,911.76
  4. Step 4: Simplify right side
    1,811,673.72x = 2,489,919,624,375.81
  5. Step 5: Solve for x
    x = 2,489,919,624,375.81/1,811,673.72
  6. Step 6: Final answer
    x = 1,374,375.31

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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.