Home / 2,525,120.56-3,788,212.80-819,130.66

Finding the Fourth Proportional to 2,525,120.56, 3,788,212.80 and 819,130.66

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Solution

The fourth proportional to 2,525,120.56, 3,788,212.80 and 819,130.66 is: 1,228,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525,120.56 : 3,788,212.80 = 819,130.66 : x
  2. Step 2: Convert to fraction form
    2,525,120.56/3,788,212.80 = 819,130.66/x
  3. Step 3: Cross multiply
    2,525,120.56x = 3,788,212.80 × 819,130.66
  4. Step 4: Simplify right side
    2,525,120.56x = 3,103,041,251,084.45
  5. Step 5: Solve for x
    x = 3,103,041,251,084.45/2,525,120.56
  6. Step 6: Final answer
    x = 1,228,868.55

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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.