Home / 2,216,880.18-3,059,370.12-1,286,515.89

Finding the Fourth Proportional to 2,216,880.18, 3,059,370.12 and 1,286,515.89

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Solution

The fourth proportional to 2,216,880.18, 3,059,370.12 and 1,286,515.89 is: 1,775,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,880.18 : 3,059,370.12 = 1,286,515.89 : x
  2. Step 2: Convert to fraction form
    2,216,880.18/3,059,370.12 = 1,286,515.89/x
  3. Step 3: Cross multiply
    2,216,880.18x = 3,059,370.12 × 1,286,515.89
  4. Step 4: Simplify right side
    2,216,880.18x = 3,935,928,272,771.21
  5. Step 5: Solve for x
    x = 3,935,928,272,771.21/2,216,880.18
  6. Step 6: Final answer
    x = 1,775,435.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.