Home / 3,112,878.60-4,661,945.10-2,110,177.80

Finding the Fourth Proportional to 3,112,878.60, 4,661,945.10 and 2,110,177.80

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Solution

The fourth proportional to 3,112,878.60, 4,661,945.10 and 2,110,177.80 is: 3,160,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,878.60 : 4,661,945.10 = 2,110,177.80 : x
  2. Step 2: Convert to fraction form
    3,112,878.60/4,661,945.10 = 2,110,177.80/x
  3. Step 3: Cross multiply
    3,112,878.60x = 4,661,945.10 × 2,110,177.80
  4. Step 4: Simplify right side
    3,112,878.60x = 9,837,533,054,838.78
  5. Step 5: Solve for x
    x = 9,837,533,054,838.78/3,112,878.60
  6. Step 6: Final answer
    x = 3,160,268.78

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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.