Home / 1,875,279.20-2,587,897.68-1,015,839.44

Finding the Fourth Proportional to 1,875,279.20, 2,587,897.68 and 1,015,839.44

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Solution

The fourth proportional to 1,875,279.20, 2,587,897.68 and 1,015,839.44 is: 1,401,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,279.20 : 2,587,897.68 = 1,015,839.44 : x
  2. Step 2: Convert to fraction form
    1,875,279.20/2,587,897.68 = 1,015,839.44/x
  3. Step 3: Cross multiply
    1,875,279.20x = 2,587,897.68 × 1,015,839.44
  4. Step 4: Simplify right side
    1,875,279.20x = 2,628,888,530,028.50
  5. Step 5: Solve for x
    x = 2,628,888,530,028.50/1,875,279.20
  6. Step 6: Final answer
    x = 1,401,865.14

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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.