Home / 3,120,235.30-4,680,352.95-2,765,941.30

Finding the Fourth Proportional to 3,120,235.30, 4,680,352.95 and 2,765,941.30

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Solution

The fourth proportional to 3,120,235.30, 4,680,352.95 and 2,765,941.30 is: 4,148,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,235.30 : 4,680,352.95 = 2,765,941.30 : x
  2. Step 2: Convert to fraction form
    3,120,235.30/4,680,352.95 = 2,765,941.30/x
  3. Step 3: Cross multiply
    3,120,235.30x = 4,680,352.95 × 2,765,941.30
  4. Step 4: Simplify right side
    3,120,235.30x = 12,945,581,522,981.83
  5. Step 5: Solve for x
    x = 12,945,581,522,981.83/3,120,235.30
  6. Step 6: Final answer
    x = 4,148,911.95

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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.