Home / 1,376,081.10-2,064,121.65-1,092,645.90

Finding the Fourth Proportional to 1,376,081.10, 2,064,121.65 and 1,092,645.90

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Solution

The fourth proportional to 1,376,081.10, 2,064,121.65 and 1,092,645.90 is: 1,638,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,081.10 : 2,064,121.65 = 1,092,645.90 : x
  2. Step 2: Convert to fraction form
    1,376,081.10/2,064,121.65 = 1,092,645.90/x
  3. Step 3: Cross multiply
    1,376,081.10x = 2,064,121.65 × 1,092,645.90
  4. Step 4: Simplify right side
    1,376,081.10x = 2,255,354,057,973.74
  5. Step 5: Solve for x
    x = 2,255,354,057,973.74/1,376,081.10
  6. Step 6: Final answer
    x = 1,638,968.85

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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.