Home / 2,144,378.10-3,208,527.48-1,276,639.08

Finding the Fourth Proportional to 2,144,378.10, 3,208,527.48 and 1,276,639.08

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Solution

The fourth proportional to 2,144,378.10, 3,208,527.48 and 1,276,639.08 is: 1,910,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,378.10 : 3,208,527.48 = 1,276,639.08 : x
  2. Step 2: Convert to fraction form
    2,144,378.10/3,208,527.48 = 1,276,639.08/x
  3. Step 3: Cross multiply
    2,144,378.10x = 3,208,527.48 × 1,276,639.08
  4. Step 4: Simplify right side
    2,144,378.10x = 4,096,131,570,221.92
  5. Step 5: Solve for x
    x = 4,096,131,570,221.92/2,144,378.10
  6. Step 6: Final answer
    x = 1,910,172.26

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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.