Home / 2,190,915.70-3,286,719.15-695,158.90

Finding the Fourth Proportional to 2,190,915.70, 3,286,719.15 and 695,158.90

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Solution

The fourth proportional to 2,190,915.70, 3,286,719.15 and 695,158.90 is: 1,042,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,915.70 : 3,286,719.15 = 695,158.90 : x
  2. Step 2: Convert to fraction form
    2,190,915.70/3,286,719.15 = 695,158.90/x
  3. Step 3: Cross multiply
    2,190,915.70x = 3,286,719.15 × 695,158.90
  4. Step 4: Simplify right side
    2,190,915.70x = 2,284,792,068,922.94
  5. Step 5: Solve for x
    x = 2,284,792,068,922.94/2,190,915.70
  6. Step 6: Final answer
    x = 1,042,848.01

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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.