Home / 5,102,076.20-7,040,864.40-2,810,236.82

Finding the Fourth Proportional to 5,102,076.20, 7,040,864.40 and 2,810,236.82

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Solution

The fourth proportional to 5,102,076.20, 7,040,864.40 and 2,810,236.82 is: 3,878,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,076.20 : 7,040,864.40 = 2,810,236.82 : x
  2. Step 2: Convert to fraction form
    5,102,076.20/7,040,864.40 = 2,810,236.82/x
  3. Step 3: Cross multiply
    5,102,076.20x = 7,040,864.40 × 2,810,236.82
  4. Step 4: Simplify right side
    5,102,076.20x = 19,786,496,381,507.21
  5. Step 5: Solve for x
    x = 19,786,496,381,507.21/5,102,076.20
  6. Step 6: Final answer
    x = 3,878,126.40

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1.5x scale

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.