Home / 3,448,436.12-4,758,842.04-1,920,543.20

Finding the Fourth Proportional to 3,448,436.12, 4,758,842.04 and 1,920,543.20

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Solution

The fourth proportional to 3,448,436.12, 4,758,842.04 and 1,920,543.20 is: 2,650,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,436.12 : 4,758,842.04 = 1,920,543.20 : x
  2. Step 2: Convert to fraction form
    3,448,436.12/4,758,842.04 = 1,920,543.20/x
  3. Step 3: Cross multiply
    3,448,436.12x = 4,758,842.04 × 1,920,543.20
  4. Step 4: Simplify right side
    3,448,436.12x = 9,139,561,719,796.13
  5. Step 5: Solve for x
    x = 9,139,561,719,796.13/3,448,436.12
  6. Step 6: Final answer
    x = 2,650,349.72

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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.