Home / 2,132,624.61-3,198,936.93-712,680.66

Finding the Fourth Proportional to 2,132,624.61, 3,198,936.93 and 712,680.66

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Solution

The fourth proportional to 2,132,624.61, 3,198,936.93 and 712,680.66 is: 1,069,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,624.61 : 3,198,936.93 = 712,680.66 : x
  2. Step 2: Convert to fraction form
    2,132,624.61/3,198,936.93 = 712,680.66/x
  3. Step 3: Cross multiply
    2,132,624.61x = 3,198,936.93 × 712,680.66
  4. Step 4: Simplify right side
    2,132,624.61x = 2,279,820,482,570.77
  5. Step 5: Solve for x
    x = 2,279,820,482,570.77/2,132,624.61
  6. Step 6: Final answer
    x = 1,069,021.00

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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.