Home / 5,107,039.44-7,047,712.98-2,815,238.40

Finding the Fourth Proportional to 5,107,039.44, 7,047,712.98 and 2,815,238.40

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Solution

The fourth proportional to 5,107,039.44, 7,047,712.98 and 2,815,238.40 is: 3,885,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,039.44 : 7,047,712.98 = 2,815,238.40 : x
  2. Step 2: Convert to fraction form
    5,107,039.44/7,047,712.98 = 2,815,238.40/x
  3. Step 3: Cross multiply
    5,107,039.44x = 7,047,712.98 × 2,815,238.40
  4. Step 4: Simplify right side
    5,107,039.44x = 19,840,992,213,474.43
  5. Step 5: Solve for x
    x = 19,840,992,213,474.43/5,107,039.44
  6. Step 6: Final answer
    x = 3,885,028.19

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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.