Home / 2,116,001.70-3,174,002.55-1,120,673.70

Finding the Fourth Proportional to 2,116,001.70, 3,174,002.55 and 1,120,673.70

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Solution

The fourth proportional to 2,116,001.70, 3,174,002.55 and 1,120,673.70 is: 1,681,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,001.70 : 3,174,002.55 = 1,120,673.70 : x
  2. Step 2: Convert to fraction form
    2,116,001.70/3,174,002.55 = 1,120,673.70/x
  3. Step 3: Cross multiply
    2,116,001.70x = 3,174,002.55 × 1,120,673.70
  4. Step 4: Simplify right side
    2,116,001.70x = 3,557,021,181,517.93
  5. Step 5: Solve for x
    x = 3,557,021,181,517.93/2,116,001.70
  6. Step 6: Final answer
    x = 1,681,010.55

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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.