Home / 4,821,278.32-7,231,683.76-1,789,235.28

Finding the Fourth Proportional to 4,821,278.32, 7,231,683.76 and 1,789,235.28

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Solution

The fourth proportional to 4,821,278.32, 7,231,683.76 and 1,789,235.28 is: 2,683,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,278.32 : 7,231,683.76 = 1,789,235.28 : x
  2. Step 2: Convert to fraction form
    4,821,278.32/7,231,683.76 = 1,789,235.28/x
  3. Step 3: Cross multiply
    4,821,278.32x = 7,231,683.76 × 1,789,235.28
  4. Step 4: Simplify right side
    4,821,278.32x = 12,939,183,717,195.05
  5. Step 5: Solve for x
    x = 12,939,183,717,195.05/4,821,278.32
  6. Step 6: Final answer
    x = 2,683,766.18

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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.