Home / 3,158,998.20-4,738,497.30-1,946,525.40

Finding the Fourth Proportional to 3,158,998.20, 4,738,497.30 and 1,946,525.40

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Solution

The fourth proportional to 3,158,998.20, 4,738,497.30 and 1,946,525.40 is: 2,919,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,998.20 : 4,738,497.30 = 1,946,525.40 : x
  2. Step 2: Convert to fraction form
    3,158,998.20/4,738,497.30 = 1,946,525.40/x
  3. Step 3: Cross multiply
    3,158,998.20x = 4,738,497.30 × 1,946,525.40
  4. Step 4: Simplify right side
    3,158,998.20x = 9,223,605,352,281.42
  5. Step 5: Solve for x
    x = 9,223,605,352,281.42/3,158,998.20
  6. Step 6: Final answer
    x = 2,919,788.10

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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.