Home / 2,012,421.60-3,017,990.88-664,333.44

Finding the Fourth Proportional to 2,012,421.60, 3,017,990.88 and 664,333.44

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Solution

The fourth proportional to 2,012,421.60, 3,017,990.88 and 664,333.44 is: 996,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,421.60 : 3,017,990.88 = 664,333.44 : x
  2. Step 2: Convert to fraction form
    2,012,421.60/3,017,990.88 = 664,333.44/x
  3. Step 3: Cross multiply
    2,012,421.60x = 3,017,990.88 × 664,333.44
  4. Step 4: Simplify right side
    2,012,421.60x = 2,004,952,263,199.03
  5. Step 5: Solve for x
    x = 2,004,952,263,199.03/2,012,421.60
  6. Step 6: Final answer
    x = 996,288.38

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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.