Home / 5,220,278.53-7,821,153.10-2,180,955.43

Finding the Fourth Proportional to 5,220,278.53, 7,821,153.10 and 2,180,955.43

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Solution

The fourth proportional to 5,220,278.53, 7,821,153.10 and 2,180,955.43 is: 3,267,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,278.53 : 7,821,153.10 = 2,180,955.43 : x
  2. Step 2: Convert to fraction form
    5,220,278.53/7,821,153.10 = 2,180,955.43/x
  3. Step 3: Cross multiply
    5,220,278.53x = 7,821,153.10 × 2,180,955.43
  4. Step 4: Simplify right side
    5,220,278.53x = 17,057,586,278,547.11
  5. Step 5: Solve for x
    x = 17,057,586,278,547.11/5,220,278.53
  6. Step 6: Final answer
    x = 3,267,562.48

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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.