Home / 1,442,080.86-2,161,229.10-1,061,218.86

Finding the Fourth Proportional to 1,442,080.86, 2,161,229.10 and 1,061,218.86

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Solution

The fourth proportional to 1,442,080.86, 2,161,229.10 and 1,061,218.86 is: 1,590,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,080.86 : 2,161,229.10 = 1,061,218.86 : x
  2. Step 2: Convert to fraction form
    1,442,080.86/2,161,229.10 = 1,061,218.86/x
  3. Step 3: Cross multiply
    1,442,080.86x = 2,161,229.10 × 1,061,218.86
  4. Step 4: Simplify right side
    1,442,080.86x = 2,293,537,081,700.83
  5. Step 5: Solve for x
    x = 2,293,537,081,700.83/1,442,080.86
  6. Step 6: Final answer
    x = 1,590,435.84

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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.