Home / 2,110,867.90-2,912,990.25-1,144,021.66

Finding the Fourth Proportional to 2,110,867.90, 2,912,990.25 and 1,144,021.66

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Solution

The fourth proportional to 2,110,867.90, 2,912,990.25 and 1,144,021.66 is: 1,578,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,867.90 : 2,912,990.25 = 1,144,021.66 : x
  2. Step 2: Convert to fraction form
    2,110,867.90/2,912,990.25 = 1,144,021.66/x
  3. Step 3: Cross multiply
    2,110,867.90x = 2,912,990.25 × 1,144,021.66
  4. Step 4: Simplify right side
    2,110,867.90x = 3,332,523,941,368.82
  5. Step 5: Solve for x
    x = 3,332,523,941,368.82/2,110,867.90
  6. Step 6: Final answer
    x = 1,578,745.85

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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.