Home / 2,850,306.79-4,275,607.20-720,409.36

Finding the Fourth Proportional to 2,850,306.79, 4,275,607.20 and 720,409.36

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Solution

The fourth proportional to 2,850,306.79, 4,275,607.20 and 720,409.36 is: 1,080,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,306.79 : 4,275,607.20 = 720,409.36 : x
  2. Step 2: Convert to fraction form
    2,850,306.79/4,275,607.20 = 720,409.36/x
  3. Step 3: Cross multiply
    2,850,306.79x = 4,275,607.20 × 720,409.36
  4. Step 4: Simplify right side
    2,850,306.79x = 3,080,187,446,563.39
  5. Step 5: Solve for x
    x = 3,080,187,446,563.39/2,850,306.79
  6. Step 6: Final answer
    x = 1,080,651.20

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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.