Home / 5,173,878.72-7,140,173.28-2,882,040.42

Finding the Fourth Proportional to 5,173,878.72, 7,140,173.28 and 2,882,040.42

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Solution

The fourth proportional to 5,173,878.72, 7,140,173.28 and 2,882,040.42 is: 3,977,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,878.72 : 7,140,173.28 = 2,882,040.42 : x
  2. Step 2: Convert to fraction form
    5,173,878.72/7,140,173.28 = 2,882,040.42/x
  3. Step 3: Cross multiply
    5,173,878.72x = 7,140,173.28 × 2,882,040.42
  4. Step 4: Simplify right side
    5,173,878.72x = 20,578,267,998,763.98
  5. Step 5: Solve for x
    x = 20,578,267,998,763.98/5,173,878.72
  6. Step 6: Final answer
    x = 3,977,338.69

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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.