Home / 3,448,149.76-4,758,106.08-1,920,399.04

Finding the Fourth Proportional to 3,448,149.76, 4,758,106.08 and 1,920,399.04

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Solution

The fourth proportional to 3,448,149.76, 4,758,106.08 and 1,920,399.04 is: 2,649,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,149.76 : 4,758,106.08 = 1,920,399.04 : x
  2. Step 2: Convert to fraction form
    3,448,149.76/4,758,106.08 = 1,920,399.04/x
  3. Step 3: Cross multiply
    3,448,149.76x = 4,758,106.08 × 1,920,399.04
  4. Step 4: Simplify right side
    3,448,149.76x = 9,137,462,348,250.16
  5. Step 5: Solve for x
    x = 9,137,462,348,250.16/3,448,149.76
  6. Step 6: Final answer
    x = 2,649,960.99

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1.5x scale

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.