Home / 5,093,320.50-7,029,780.75-2,919,321

Finding the Fourth Proportional to 5,093,320.50, 7,029,780.75 and 2,919,321

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Solution

The fourth proportional to 5,093,320.50, 7,029,780.75 and 2,919,321 is: 4,029,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093,320.50 : 7,029,780.75 = 2,919,321 : x
  2. Step 2: Convert to fraction form
    5,093,320.50/7,029,780.75 = 2,919,321/x
  3. Step 3: Cross multiply
    5,093,320.50x = 7,029,780.75 × 2,919,321
  4. Step 4: Simplify right side
    5,093,320.50x = 20,522,186,568,870.75
  5. Step 5: Solve for x
    x = 20,522,186,568,870.75/5,093,320.50
  6. Step 6: Final answer
    x = 4,029,235.26

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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.