Home / 1,786,988.15-2,466,062.69-971,191.85

Finding the Fourth Proportional to 1,786,988.15, 2,466,062.69 and 971,191.85

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Solution

The fourth proportional to 1,786,988.15, 2,466,062.69 and 971,191.85 is: 1,340,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,988.15 : 2,466,062.69 = 971,191.85 : x
  2. Step 2: Convert to fraction form
    1,786,988.15/2,466,062.69 = 971,191.85/x
  3. Step 3: Cross multiply
    1,786,988.15x = 2,466,062.69 × 971,191.85
  4. Step 4: Simplify right side
    1,786,988.15x = 2,395,019,987,426.27
  5. Step 5: Solve for x
    x = 2,395,019,987,426.27/1,786,988.15
  6. Step 6: Final answer
    x = 1,340,255.11

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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.