Home / 2,139,733.80-3,209,600.70-957,781.80

Finding the Fourth Proportional to 2,139,733.80, 3,209,600.70 and 957,781.80

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Solution

The fourth proportional to 2,139,733.80, 3,209,600.70 and 957,781.80 is: 1,436,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,733.80 : 3,209,600.70 = 957,781.80 : x
  2. Step 2: Convert to fraction form
    2,139,733.80/3,209,600.70 = 957,781.80/x
  3. Step 3: Cross multiply
    2,139,733.80x = 3,209,600.70 × 957,781.80
  4. Step 4: Simplify right side
    2,139,733.80x = 3,074,097,135,727.26
  5. Step 5: Solve for x
    x = 3,074,097,135,727.26/2,139,733.80
  6. Step 6: Final answer
    x = 1,436,672.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.