Home / 2,557,502.80-3,836,885.60-760,378.48

Finding the Fourth Proportional to 2,557,502.80, 3,836,885.60 and 760,378.48

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Solution

The fourth proportional to 2,557,502.80, 3,836,885.60 and 760,378.48 is: 1,140,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,502.80 : 3,836,885.60 = 760,378.48 : x
  2. Step 2: Convert to fraction form
    2,557,502.80/3,836,885.60 = 760,378.48/x
  3. Step 3: Cross multiply
    2,557,502.80x = 3,836,885.60 × 760,378.48
  4. Step 4: Simplify right side
    2,557,502.80x = 2,917,485,240,461.89
  5. Step 5: Solve for x
    x = 2,917,485,240,461.89/2,557,502.80
  6. Step 6: Final answer
    x = 1,140,755.44

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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.