Home / 2,338,627.68-3,227,240.88-1,320,127.20

Finding the Fourth Proportional to 2,338,627.68, 3,227,240.88 and 1,320,127.20

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Solution

The fourth proportional to 2,338,627.68, 3,227,240.88 and 1,320,127.20 is: 1,821,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338,627.68 : 3,227,240.88 = 1,320,127.20 : x
  2. Step 2: Convert to fraction form
    2,338,627.68/3,227,240.88 = 1,320,127.20/x
  3. Step 3: Cross multiply
    2,338,627.68x = 3,227,240.88 × 1,320,127.20
  4. Step 4: Simplify right side
    2,338,627.68x = 4,260,368,466,639.94
  5. Step 5: Solve for x
    x = 4,260,368,466,639.94/2,338,627.68
  6. Step 6: Final answer
    x = 1,821,738.66

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1.5x scale

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.