Home / 1,925,772.39-2,660,334.13-1,538,078.80

Finding the Fourth Proportional to 1,925,772.39, 2,660,334.13 and 1,538,078.80

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Solution

The fourth proportional to 1,925,772.39, 2,660,334.13 and 1,538,078.80 is: 2,124,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,772.39 : 2,660,334.13 = 1,538,078.80 : x
  2. Step 2: Convert to fraction form
    1,925,772.39/2,660,334.13 = 1,538,078.80/x
  3. Step 3: Cross multiply
    1,925,772.39x = 2,660,334.13 × 1,538,078.80
  4. Step 4: Simplify right side
    1,925,772.39x = 4,091,803,526,269.44
  5. Step 5: Solve for x
    x = 4,091,803,526,269.44/1,925,772.39
  6. Step 6: Final answer
    x = 2,124,759.68

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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.