Home / 5,220,287.85-7,821,166.95-2,180,964.75

Finding the Fourth Proportional to 5,220,287.85, 7,821,166.95 and 2,180,964.75

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Solution

The fourth proportional to 5,220,287.85, 7,821,166.95 and 2,180,964.75 is: 3,267,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,287.85 : 7,821,166.95 = 2,180,964.75 : x
  2. Step 2: Convert to fraction form
    5,220,287.85/7,821,166.95 = 2,180,964.75/x
  3. Step 3: Cross multiply
    5,220,287.85x = 7,821,166.95 × 2,180,964.75
  4. Step 4: Simplify right side
    5,220,287.85x = 17,057,689,421,815.01
  5. Step 5: Solve for x
    x = 17,057,689,421,815.01/5,220,287.85
  6. Step 6: Final answer
    x = 3,267,576.41

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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.