Home / 2,311,877.28-3,190,262.32-1,293,085.20

Finding the Fourth Proportional to 2,311,877.28, 3,190,262.32 and 1,293,085.20

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Solution

The fourth proportional to 2,311,877.28, 3,190,262.32 and 1,293,085.20 is: 1,784,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,877.28 : 3,190,262.32 = 1,293,085.20 : x
  2. Step 2: Convert to fraction form
    2,311,877.28/3,190,262.32 = 1,293,085.20/x
  3. Step 3: Cross multiply
    2,311,877.28x = 3,190,262.32 × 1,293,085.20
  4. Step 4: Simplify right side
    2,311,877.28x = 4,125,280,990,109.66
  5. Step 5: Solve for x
    x = 4,125,280,990,109.66/2,311,877.28
  6. Step 6: Final answer
    x = 1,784,385.80

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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.