Home / 2,525,850.12-3,788,721.48-819,990.72

Finding the Fourth Proportional to 2,525,850.12, 3,788,721.48 and 819,990.72

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Solution

The fourth proportional to 2,525,850.12, 3,788,721.48 and 819,990.72 is: 1,229,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525,850.12 : 3,788,721.48 = 819,990.72 : x
  2. Step 2: Convert to fraction form
    2,525,850.12/3,788,721.48 = 819,990.72/x
  3. Step 3: Cross multiply
    2,525,850.12x = 3,788,721.48 × 819,990.72
  4. Step 4: Simplify right side
    2,525,850.12x = 3,106,716,454,264.67
  5. Step 5: Solve for x
    x = 3,106,716,454,264.67/2,525,850.12
  6. Step 6: Final answer
    x = 1,229,968.65

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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.