Home / 2,118,575.60-3,173,716.20-1,274,620.40

Finding the Fourth Proportional to 2,118,575.60, 3,173,716.20 and 1,274,620.40

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Solution

The fourth proportional to 2,118,575.60, 3,173,716.20 and 1,274,620.40 is: 1,909,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,575.60 : 3,173,716.20 = 1,274,620.40 : x
  2. Step 2: Convert to fraction form
    2,118,575.60/3,173,716.20 = 1,274,620.40/x
  3. Step 3: Cross multiply
    2,118,575.60x = 3,173,716.20 × 1,274,620.40
  4. Step 4: Simplify right side
    2,118,575.60x = 4,045,283,412,330.48
  5. Step 5: Solve for x
    x = 4,045,283,412,330.48/2,118,575.60
  6. Step 6: Final answer
    x = 1,909,435.48

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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.