Home / 5,160,766.30-7,740,974.12-1,322,626.40

Finding the Fourth Proportional to 5,160,766.30, 7,740,974.12 and 1,322,626.40

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Solution

The fourth proportional to 5,160,766.30, 7,740,974.12 and 1,322,626.40 is: 1,983,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,766.30 : 7,740,974.12 = 1,322,626.40 : x
  2. Step 2: Convert to fraction form
    5,160,766.30/7,740,974.12 = 1,322,626.40/x
  3. Step 3: Cross multiply
    5,160,766.30x = 7,740,974.12 × 1,322,626.40
  4. Step 4: Simplify right side
    5,160,766.30x = 10,238,416,771,242.06
  5. Step 5: Solve for x
    x = 10,238,416,771,242.06/5,160,766.30
  6. Step 6: Final answer
    x = 1,983,894.67

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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.