Home / 2,192,978.80-3,287,801.04-1,517,263.84

Finding the Fourth Proportional to 2,192,978.80, 3,287,801.04 and 1,517,263.84

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Solution

The fourth proportional to 2,192,978.80, 3,287,801.04 and 1,517,263.84 is: 2,274,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,978.80 : 3,287,801.04 = 1,517,263.84 : x
  2. Step 2: Convert to fraction form
    2,192,978.80/3,287,801.04 = 1,517,263.84/x
  3. Step 3: Cross multiply
    2,192,978.80x = 3,287,801.04 × 1,517,263.84
  4. Step 4: Simplify right side
    2,192,978.80x = 4,988,461,631,106.39
  5. Step 5: Solve for x
    x = 4,988,461,631,106.39/2,192,978.80
  6. Step 6: Final answer
    x = 2,274,742.30

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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.