Home / 5,390,464.40-8,067,034.20-4,942,566.80

Finding the Fourth Proportional to 5,390,464.40, 8,067,034.20 and 4,942,566.80

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Solution

The fourth proportional to 5,390,464.40, 8,067,034.20 and 4,942,566.80 is: 7,396,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,464.40 : 8,067,034.20 = 4,942,566.80 : x
  2. Step 2: Convert to fraction form
    5,390,464.40/8,067,034.20 = 4,942,566.80/x
  3. Step 3: Cross multiply
    5,390,464.40x = 8,067,034.20 × 4,942,566.80
  4. Step 4: Simplify right side
    5,390,464.40x = 39,871,855,411,384.56
  5. Step 5: Solve for x
    x = 39,871,855,411,384.56/5,390,464.40
  6. Step 6: Final answer
    x = 7,396,738.47

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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.