Home / 5,174,074.80-7,140,438.36-2,882,234.88

Finding the Fourth Proportional to 5,174,074.80, 7,140,438.36 and 2,882,234.88

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Solution

The fourth proportional to 5,174,074.80, 7,140,438.36 and 2,882,234.88 is: 3,977,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,074.80 : 7,140,438.36 = 2,882,234.88 : x
  2. Step 2: Convert to fraction form
    5,174,074.80/7,140,438.36 = 2,882,234.88/x
  3. Step 3: Cross multiply
    5,174,074.80x = 7,140,438.36 × 2,882,234.88
  4. Step 4: Simplify right side
    5,174,074.80x = 20,580,420,499,682.00
  5. Step 5: Solve for x
    x = 20,580,420,499,682.00/5,174,074.80
  6. Step 6: Final answer
    x = 3,977,603.98

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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.