Home / 1,956,179.80-2,934,269.70-818,745.40

Finding the Fourth Proportional to 1,956,179.80, 2,934,269.70 and 818,745.40

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Solution

The fourth proportional to 1,956,179.80, 2,934,269.70 and 818,745.40 is: 1,228,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,179.80 : 2,934,269.70 = 818,745.40 : x
  2. Step 2: Convert to fraction form
    1,956,179.80/2,934,269.70 = 818,745.40/x
  3. Step 3: Cross multiply
    1,956,179.80x = 2,934,269.70 × 818,745.40
  4. Step 4: Simplify right side
    1,956,179.80x = 2,402,419,819,234.38
  5. Step 5: Solve for x
    x = 2,402,419,819,234.38/1,956,179.80
  6. Step 6: Final answer
    x = 1,228,118.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.