Home / 2,126,874.72-2,936,070-1,311,224.16

Finding the Fourth Proportional to 2,126,874.72, 2,936,070 and 1,311,224.16

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Solution

The fourth proportional to 2,126,874.72, 2,936,070 and 1,311,224.16 is: 1,810,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,874.72 : 2,936,070 = 1,311,224.16 : x
  2. Step 2: Convert to fraction form
    2,126,874.72/2,936,070 = 1,311,224.16/x
  3. Step 3: Cross multiply
    2,126,874.72x = 2,936,070 × 1,311,224.16
  4. Step 4: Simplify right side
    2,126,874.72x = 3,849,845,919,451.20
  5. Step 5: Solve for x
    x = 3,849,845,919,451.20/2,126,874.72
  6. Step 6: Final answer
    x = 1,810,095.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.