Home / 3,128,171.76-4,316,943.60-1,770,044.76

Finding the Fourth Proportional to 3,128,171.76, 4,316,943.60 and 1,770,044.76

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Solution

The fourth proportional to 3,128,171.76, 4,316,943.60 and 1,770,044.76 is: 2,442,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,171.76 : 4,316,943.60 = 1,770,044.76 : x
  2. Step 2: Convert to fraction form
    3,128,171.76/4,316,943.60 = 1,770,044.76/x
  3. Step 3: Cross multiply
    3,128,171.76x = 4,316,943.60 × 1,770,044.76
  4. Step 4: Simplify right side
    3,128,171.76x = 7,641,183,398,395.54
  5. Step 5: Solve for x
    x = 7,641,183,398,395.54/3,128,171.76
  6. Step 6: Final answer
    x = 2,442,699.44

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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.