Home / 2,585,419.32-3,878,306.10-878,868.12

Finding the Fourth Proportional to 2,585,419.32, 3,878,306.10 and 878,868.12

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Solution

The fourth proportional to 2,585,419.32, 3,878,306.10 and 878,868.12 is: 1,318,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,419.32 : 3,878,306.10 = 878,868.12 : x
  2. Step 2: Convert to fraction form
    2,585,419.32/3,878,306.10 = 878,868.12/x
  3. Step 3: Cross multiply
    2,585,419.32x = 3,878,306.10 × 878,868.12
  4. Step 4: Simplify right side
    2,585,419.32x = 3,408,519,590,891.53
  5. Step 5: Solve for x
    x = 3,408,519,590,891.53/2,585,419.32
  6. Step 6: Final answer
    x = 1,318,362.39

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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.