Home / 2,778,253.12-4,167,540.96-1,072,406.08

Finding the Fourth Proportional to 2,778,253.12, 4,167,540.96 and 1,072,406.08

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Solution

The fourth proportional to 2,778,253.12, 4,167,540.96 and 1,072,406.08 is: 1,608,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,253.12 : 4,167,540.96 = 1,072,406.08 : x
  2. Step 2: Convert to fraction form
    2,778,253.12/4,167,540.96 = 1,072,406.08/x
  3. Step 3: Cross multiply
    2,778,253.12x = 4,167,540.96 × 1,072,406.08
  4. Step 4: Simplify right side
    2,778,253.12x = 4,469,296,264,153.04
  5. Step 5: Solve for x
    x = 4,469,296,264,153.04/2,778,253.12
  6. Step 6: Final answer
    x = 1,608,671.37

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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.