Home / 3,858,955.60-5,325,009.78-2,140,070.80

Finding the Fourth Proportional to 3,858,955.60, 5,325,009.78 and 2,140,070.80

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Solution

The fourth proportional to 3,858,955.60, 5,325,009.78 and 2,140,070.80 is: 2,953,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,955.60 : 5,325,009.78 = 2,140,070.80 : x
  2. Step 2: Convert to fraction form
    3,858,955.60/5,325,009.78 = 2,140,070.80/x
  3. Step 3: Cross multiply
    3,858,955.60x = 5,325,009.78 × 2,140,070.80
  4. Step 4: Simplify right side
    3,858,955.60x = 11,395,897,939,892.42
  5. Step 5: Solve for x
    x = 11,395,897,939,892.42/3,858,955.60
  6. Step 6: Final answer
    x = 2,953,104.19

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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.