Home / 5,289,620.80-7,934,431.20-1,300,532.80

Finding the Fourth Proportional to 5,289,620.80, 7,934,431.20 and 1,300,532.80

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Solution

The fourth proportional to 5,289,620.80, 7,934,431.20 and 1,300,532.80 is: 1,950,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,620.80 : 7,934,431.20 = 1,300,532.80 : x
  2. Step 2: Convert to fraction form
    5,289,620.80/7,934,431.20 = 1,300,532.80/x
  3. Step 3: Cross multiply
    5,289,620.80x = 7,934,431.20 × 1,300,532.80
  4. Step 4: Simplify right side
    5,289,620.80x = 10,318,988,024,943.36
  5. Step 5: Solve for x
    x = 10,318,988,024,943.36/5,289,620.80
  6. Step 6: Final answer
    x = 1,950,799.20

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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.