Home / 3,179,039.40-4,768,559.10-2,830,674.60

Finding the Fourth Proportional to 3,179,039.40, 4,768,559.10 and 2,830,674.60

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Solution

The fourth proportional to 3,179,039.40, 4,768,559.10 and 2,830,674.60 is: 4,246,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,039.40 : 4,768,559.10 = 2,830,674.60 : x
  2. Step 2: Convert to fraction form
    3,179,039.40/4,768,559.10 = 2,830,674.60/x
  3. Step 3: Cross multiply
    3,179,039.40x = 4,768,559.10 × 2,830,674.60
  4. Step 4: Simplify right side
    3,179,039.40x = 13,498,239,122,968.86
  5. Step 5: Solve for x
    x = 13,498,239,122,968.86/3,179,039.40
  6. Step 6: Final answer
    x = 4,246,011.90

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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.