Home / 2,269,046.13-3,131,438.58-1,386,373.20

Finding the Fourth Proportional to 2,269,046.13, 3,131,438.58 and 1,386,373.20

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Solution

The fourth proportional to 2,269,046.13, 3,131,438.58 and 1,386,373.20 is: 1,913,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,046.13 : 3,131,438.58 = 1,386,373.20 : x
  2. Step 2: Convert to fraction form
    2,269,046.13/3,131,438.58 = 1,386,373.20/x
  3. Step 3: Cross multiply
    2,269,046.13x = 3,131,438.58 × 1,386,373.20
  4. Step 4: Simplify right side
    2,269,046.13x = 4,341,342,524,758.06
  5. Step 5: Solve for x
    x = 4,341,342,524,758.06/2,269,046.13
  6. Step 6: Final answer
    x = 1,913,289.67

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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.