Home / 1,326,108.86-1,989,177.19-1,061,551.12

Finding the Fourth Proportional to 1,326,108.86, 1,989,177.19 and 1,061,551.12

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Solution

The fourth proportional to 1,326,108.86, 1,989,177.19 and 1,061,551.12 is: 1,592,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,108.86 : 1,989,177.19 = 1,061,551.12 : x
  2. Step 2: Convert to fraction form
    1,326,108.86/1,989,177.19 = 1,061,551.12/x
  3. Step 3: Cross multiply
    1,326,108.86x = 1,989,177.19 × 1,061,551.12
  4. Step 4: Simplify right side
    1,326,108.86x = 2,111,613,275,997.06
  5. Step 5: Solve for x
    x = 2,111,613,275,997.06/1,326,108.86
  6. Step 6: Final answer
    x = 1,592,337.80

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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.