Home / 2,144,409.12-2,959,520.76-1,226,722.86

Finding the Fourth Proportional to 2,144,409.12, 2,959,520.76 and 1,226,722.86

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Solution

The fourth proportional to 2,144,409.12, 2,959,520.76 and 1,226,722.86 is: 1,693,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,409.12 : 2,959,520.76 = 1,226,722.86 : x
  2. Step 2: Convert to fraction form
    2,144,409.12/2,959,520.76 = 1,226,722.86/x
  3. Step 3: Cross multiply
    2,144,409.12x = 2,959,520.76 × 1,226,722.86
  4. Step 4: Simplify right side
    2,144,409.12x = 3,630,511,770,936.57
  5. Step 5: Solve for x
    x = 3,630,511,770,936.57/2,144,409.12
  6. Step 6: Final answer
    x = 1,693,012.65

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1.5x scale

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.