Home / 2,155,177.60-3,230,044.80-1,090,513.60

Finding the Fourth Proportional to 2,155,177.60, 3,230,044.80 and 1,090,513.60

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Solution

The fourth proportional to 2,155,177.60, 3,230,044.80 and 1,090,513.60 is: 1,634,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,177.60 : 3,230,044.80 = 1,090,513.60 : x
  2. Step 2: Convert to fraction form
    2,155,177.60/3,230,044.80 = 1,090,513.60/x
  3. Step 3: Cross multiply
    2,155,177.60x = 3,230,044.80 × 1,090,513.60
  4. Step 4: Simplify right side
    2,155,177.60x = 3,522,407,783,009.28
  5. Step 5: Solve for x
    x = 3,522,407,783,009.28/2,155,177.60
  6. Step 6: Final answer
    x = 1,634,393.28

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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.