Home / 3,148,405.16-4,722,634.20-874,106.90

Finding the Fourth Proportional to 3,148,405.16, 4,722,634.20 and 874,106.90

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Solution

The fourth proportional to 3,148,405.16, 4,722,634.20 and 874,106.90 is: 1,311,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,405.16 : 4,722,634.20 = 874,106.90 : x
  2. Step 2: Convert to fraction form
    3,148,405.16/4,722,634.20 = 874,106.90/x
  3. Step 3: Cross multiply
    3,148,405.16x = 4,722,634.20 × 874,106.90
  4. Step 4: Simplify right side
    3,148,405.16x = 4,128,087,119,571.33
  5. Step 5: Solve for x
    x = 4,128,087,119,571.33/3,148,405.16
  6. Step 6: Final answer
    x = 1,311,167.69

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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.