Home / 3,178,999.40-4,768,499.10-2,830,634.60

Finding the Fourth Proportional to 3,178,999.40, 4,768,499.10 and 2,830,634.60

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Solution

The fourth proportional to 3,178,999.40, 4,768,499.10 and 2,830,634.60 is: 4,245,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,999.40 : 4,768,499.10 = 2,830,634.60 : x
  2. Step 2: Convert to fraction form
    3,178,999.40/4,768,499.10 = 2,830,634.60/x
  3. Step 3: Cross multiply
    3,178,999.40x = 4,768,499.10 × 2,830,634.60
  4. Step 4: Simplify right side
    3,178,999.40x = 13,497,878,542,528.86
  5. Step 5: Solve for x
    x = 13,497,878,542,528.86/3,178,999.40
  6. Step 6: Final answer
    x = 4,245,951.90

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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.