Home / 3,015,943.55-4,161,986.46-1,639,294.67

Finding the Fourth Proportional to 3,015,943.55, 4,161,986.46 and 1,639,294.67

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Solution

The fourth proportional to 3,015,943.55, 4,161,986.46 and 1,639,294.67 is: 2,262,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,943.55 : 4,161,986.46 = 1,639,294.67 : x
  2. Step 2: Convert to fraction form
    3,015,943.55/4,161,986.46 = 1,639,294.67/x
  3. Step 3: Cross multiply
    3,015,943.55x = 4,161,986.46 × 1,639,294.67
  4. Step 4: Simplify right side
    3,015,943.55x = 6,822,722,199,680.24
  5. Step 5: Solve for x
    x = 6,822,722,199,680.24/3,015,943.55
  6. Step 6: Final answer
    x = 2,262,218.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.