Home / 2,731,934.33-4,097,187.12-812,328.55

Finding the Fourth Proportional to 2,731,934.33, 4,097,187.12 and 812,328.55

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Solution

The fourth proportional to 2,731,934.33, 4,097,187.12 and 812,328.55 is: 1,218,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,934.33 : 4,097,187.12 = 812,328.55 : x
  2. Step 2: Convert to fraction form
    2,731,934.33/4,097,187.12 = 812,328.55/x
  3. Step 3: Cross multiply
    2,731,934.33x = 4,097,187.12 × 812,328.55
  4. Step 4: Simplify right side
    2,731,934.33x = 3,328,262,072,268.28
  5. Step 5: Solve for x
    x = 3,328,262,072,268.28/2,731,934.33
  6. Step 6: Final answer
    x = 1,218,280.41

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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.