Home / 7,270,372.80-10,905,559.20-2,221,639.56

Finding the Fourth Proportional to 7,270,372.80, 10,905,559.20 and 2,221,639.56

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Solution

The fourth proportional to 7,270,372.80, 10,905,559.20 and 2,221,639.56 is: 3,332,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270,372.80 : 10,905,559.20 = 2,221,639.56 : x
  2. Step 2: Convert to fraction form
    7,270,372.80/10,905,559.20 = 2,221,639.56/x
  3. Step 3: Cross multiply
    7,270,372.80x = 10,905,559.20 × 2,221,639.56
  4. Step 4: Simplify right side
    7,270,372.80x = 24,228,221,742,641.95
  5. Step 5: Solve for x
    x = 24,228,221,742,641.95/7,270,372.80
  6. Step 6: Final answer
    x = 3,332,459.34

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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.