Home / 5,103,859.20-7,653,945.60-2,578,675.20

Finding the Fourth Proportional to 5,103,859.20, 7,653,945.60 and 2,578,675.20

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Solution

The fourth proportional to 5,103,859.20, 7,653,945.60 and 2,578,675.20 is: 3,867,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,859.20 : 7,653,945.60 = 2,578,675.20 : x
  2. Step 2: Convert to fraction form
    5,103,859.20/7,653,945.60 = 2,578,675.20/x
  3. Step 3: Cross multiply
    5,103,859.20x = 7,653,945.60 × 2,578,675.20
  4. Step 4: Simplify right side
    5,103,859.20x = 19,737,039,700,869.12
  5. Step 5: Solve for x
    x = 19,737,039,700,869.12/5,103,859.20
  6. Step 6: Final answer
    x = 3,867,081.54

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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.