Home / 3,414,518.40-5,121,777.60-1,713,907.20

Finding the Fourth Proportional to 3,414,518.40, 5,121,777.60 and 1,713,907.20

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Solution

The fourth proportional to 3,414,518.40, 5,121,777.60 and 1,713,907.20 is: 2,570,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,518.40 : 5,121,777.60 = 1,713,907.20 : x
  2. Step 2: Convert to fraction form
    3,414,518.40/5,121,777.60 = 1,713,907.20/x
  3. Step 3: Cross multiply
    3,414,518.40x = 5,121,777.60 × 1,713,907.20
  4. Step 4: Simplify right side
    3,414,518.40x = 8,778,251,505,438.72
  5. Step 5: Solve for x
    x = 8,778,251,505,438.72/3,414,518.40
  6. Step 6: Final answer
    x = 2,570,860.80

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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.