Home / 2,659,596.86-3,989,955.76-862,340.19

Finding the Fourth Proportional to 2,659,596.86, 3,989,955.76 and 862,340.19

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Solution

The fourth proportional to 2,659,596.86, 3,989,955.76 and 862,340.19 is: 1,293,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,596.86 : 3,989,955.76 = 862,340.19 : x
  2. Step 2: Convert to fraction form
    2,659,596.86/3,989,955.76 = 862,340.19/x
  3. Step 3: Cross multiply
    2,659,596.86x = 3,989,955.76 × 862,340.19
  4. Step 4: Simplify right side
    2,659,596.86x = 3,440,699,220,976.48
  5. Step 5: Solve for x
    x = 3,440,699,220,976.48/2,659,596.86
  6. Step 6: Final answer
    x = 1,293,692.01

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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.