Home / 2,778,142.14-4,167,374.52-1,072,295.10

Finding the Fourth Proportional to 2,778,142.14, 4,167,374.52 and 1,072,295.10

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Solution

The fourth proportional to 2,778,142.14, 4,167,374.52 and 1,072,295.10 is: 1,608,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,142.14 : 4,167,374.52 = 1,072,295.10 : x
  2. Step 2: Convert to fraction form
    2,778,142.14/4,167,374.52 = 1,072,295.10/x
  3. Step 3: Cross multiply
    2,778,142.14x = 4,167,374.52 × 1,072,295.10
  4. Step 4: Simplify right side
    2,778,142.14x = 4,468,655,277,660.85
  5. Step 5: Solve for x
    x = 4,468,655,277,660.85/2,778,142.14
  6. Step 6: Final answer
    x = 1,608,504.91

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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.