Home / 2,972,805.07-4,102,401.20-1,749,189.84

Finding the Fourth Proportional to 2,972,805.07, 4,102,401.20 and 1,749,189.84

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Solution

The fourth proportional to 2,972,805.07, 4,102,401.20 and 1,749,189.84 is: 2,413,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,805.07 : 4,102,401.20 = 1,749,189.84 : x
  2. Step 2: Convert to fraction form
    2,972,805.07/4,102,401.20 = 1,749,189.84/x
  3. Step 3: Cross multiply
    2,972,805.07x = 4,102,401.20 × 1,749,189.84
  4. Step 4: Simplify right side
    2,972,805.07x = 7,175,878,503,016.78
  5. Step 5: Solve for x
    x = 7,175,878,503,016.78/2,972,805.07
  6. Step 6: Final answer
    x = 2,413,840.91

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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.