Home / 5,140,315.78-7,093,677.45-2,848,514.74

Finding the Fourth Proportional to 5,140,315.78, 7,093,677.45 and 2,848,514.74

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Solution

The fourth proportional to 5,140,315.78, 7,093,677.45 and 2,848,514.74 is: 3,930,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,315.78 : 7,093,677.45 = 2,848,514.74 : x
  2. Step 2: Convert to fraction form
    5,140,315.78/7,093,677.45 = 2,848,514.74/x
  3. Step 3: Cross multiply
    5,140,315.78x = 7,093,677.45 × 2,848,514.74
  4. Step 4: Simplify right side
    5,140,315.78x = 20,206,444,777,130.61
  5. Step 5: Solve for x
    x = 20,206,444,777,130.61/5,140,315.78
  6. Step 6: Final answer
    x = 3,930,973.43

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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.