Home / 4,667,280.80-7,000,921.20-1,121,424.80

Finding the Fourth Proportional to 4,667,280.80, 7,000,921.20 and 1,121,424.80

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Solution

The fourth proportional to 4,667,280.80, 7,000,921.20 and 1,121,424.80 is: 1,682,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667,280.80 : 7,000,921.20 = 1,121,424.80 : x
  2. Step 2: Convert to fraction form
    4,667,280.80/7,000,921.20 = 1,121,424.80/x
  3. Step 3: Cross multiply
    4,667,280.80x = 7,000,921.20 × 1,121,424.80
  4. Step 4: Simplify right side
    4,667,280.80x = 7,851,006,656,525.76
  5. Step 5: Solve for x
    x = 7,851,006,656,525.76/4,667,280.80
  6. Step 6: Final answer
    x = 1,682,137.20

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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.