Home / 2,039,687.80-3,059,531.70-1,720,823.20

Finding the Fourth Proportional to 2,039,687.80, 3,059,531.70 and 1,720,823.20

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Solution

The fourth proportional to 2,039,687.80, 3,059,531.70 and 1,720,823.20 is: 2,581,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,687.80 : 3,059,531.70 = 1,720,823.20 : x
  2. Step 2: Convert to fraction form
    2,039,687.80/3,059,531.70 = 1,720,823.20/x
  3. Step 3: Cross multiply
    2,039,687.80x = 3,059,531.70 × 1,720,823.20
  4. Step 4: Simplify right side
    2,039,687.80x = 5,264,913,130,495.44
  5. Step 5: Solve for x
    x = 5,264,913,130,495.44/2,039,687.80
  6. Step 6: Final answer
    x = 2,581,234.80

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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.