Home / 2,100,527.10-3,146,643.45-1,256,571.90

Finding the Fourth Proportional to 2,100,527.10, 3,146,643.45 and 1,256,571.90

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Solution

The fourth proportional to 2,100,527.10, 3,146,643.45 and 1,256,571.90 is: 1,882,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,527.10 : 3,146,643.45 = 1,256,571.90 : x
  2. Step 2: Convert to fraction form
    2,100,527.10/3,146,643.45 = 1,256,571.90/x
  3. Step 3: Cross multiply
    2,100,527.10x = 3,146,643.45 × 1,256,571.90
  4. Step 4: Simplify right side
    2,100,527.10x = 3,953,983,738,589.06
  5. Step 5: Solve for x
    x = 3,953,983,738,589.06/2,100,527.10
  6. Step 6: Final answer
    x = 1,882,376.92

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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.