Home / 2,659,313.16-3,989,552.76-862,378.32

Finding the Fourth Proportional to 2,659,313.16, 3,989,552.76 and 862,378.32

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Solution

The fourth proportional to 2,659,313.16, 3,989,552.76 and 862,378.32 is: 1,293,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,313.16 : 3,989,552.76 = 862,378.32 : x
  2. Step 2: Convert to fraction form
    2,659,313.16/3,989,552.76 = 862,378.32/x
  3. Step 3: Cross multiply
    2,659,313.16x = 3,989,552.76 × 862,378.32
  4. Step 4: Simplify right side
    2,659,313.16x = 3,440,503,806,720.16
  5. Step 5: Solve for x
    x = 3,440,503,806,720.16/2,659,313.16
  6. Step 6: Final answer
    x = 1,293,756.55

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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.