Home / 3,425,079.76-4,726,765.68-1,897,186.72

Finding the Fourth Proportional to 3,425,079.76, 4,726,765.68 and 1,897,186.72

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Solution

The fourth proportional to 3,425,079.76, 4,726,765.68 and 1,897,186.72 is: 2,618,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,079.76 : 4,726,765.68 = 1,897,186.72 : x
  2. Step 2: Convert to fraction form
    3,425,079.76/4,726,765.68 = 1,897,186.72/x
  3. Step 3: Cross multiply
    3,425,079.76x = 4,726,765.68 × 1,897,186.72
  4. Step 4: Simplify right side
    3,425,079.76x = 8,967,557,076,647.77
  5. Step 5: Solve for x
    x = 8,967,557,076,647.77/3,425,079.76
  6. Step 6: Final answer
    x = 2,618,203.87

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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.