Home / 1,839,970.85-2,759,798.17-1,120,125.72

Finding the Fourth Proportional to 1,839,970.85, 2,759,798.17 and 1,120,125.72

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Solution

The fourth proportional to 1,839,970.85, 2,759,798.17 and 1,120,125.72 is: 1,680,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,970.85 : 2,759,798.17 = 1,120,125.72 : x
  2. Step 2: Convert to fraction form
    1,839,970.85/2,759,798.17 = 1,120,125.72/x
  3. Step 3: Cross multiply
    1,839,970.85x = 2,759,798.17 × 1,120,125.72
  4. Step 4: Simplify right side
    1,839,970.85x = 3,091,320,909,425.62
  5. Step 5: Solve for x
    x = 3,091,320,909,425.62/1,839,970.85
  6. Step 6: Final answer
    x = 1,680,092.33

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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.