Home / 1,551,915.19-2,141,622.33-872,851.69

Finding the Fourth Proportional to 1,551,915.19, 2,141,622.33 and 872,851.69

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Solution

The fourth proportional to 1,551,915.19, 2,141,622.33 and 872,851.69 is: 1,204,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,915.19 : 2,141,622.33 = 872,851.69 : x
  2. Step 2: Convert to fraction form
    1,551,915.19/2,141,622.33 = 872,851.69/x
  3. Step 3: Cross multiply
    1,551,915.19x = 2,141,622.33 × 872,851.69
  4. Step 4: Simplify right side
    1,551,915.19x = 1,869,318,670,082.24
  5. Step 5: Solve for x
    x = 1,869,318,670,082.24/1,551,915.19
  6. Step 6: Final answer
    x = 1,204,523.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.