Home / 6,213,815.31-9,321,055.12-1,954,315.70

Finding the Fourth Proportional to 6,213,815.31, 9,321,055.12 and 1,954,315.70

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Solution

The fourth proportional to 6,213,815.31, 9,321,055.12 and 1,954,315.70 is: 2,931,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213,815.31 : 9,321,055.12 = 1,954,315.70 : x
  2. Step 2: Convert to fraction form
    6,213,815.31/9,321,055.12 = 1,954,315.70/x
  3. Step 3: Cross multiply
    6,213,815.31x = 9,321,055.12 × 1,954,315.70
  4. Step 4: Simplify right side
    6,213,815.31x = 18,216,284,361,581.38
  5. Step 5: Solve for x
    x = 18,216,284,361,581.38/6,213,815.31
  6. Step 6: Final answer
    x = 2,931,578.02

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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.