Home / 3,853,859.10-5,318,652.15-2,135,518.62

Finding the Fourth Proportional to 3,853,859.10, 5,318,652.15 and 2,135,518.62

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Solution

The fourth proportional to 3,853,859.10, 5,318,652.15 and 2,135,518.62 is: 2,947,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,859.10 : 5,318,652.15 = 2,135,518.62 : x
  2. Step 2: Convert to fraction form
    3,853,859.10/5,318,652.15 = 2,135,518.62/x
  3. Step 3: Cross multiply
    3,853,859.10x = 5,318,652.15 × 2,135,518.62
  4. Step 4: Simplify right side
    3,853,859.10x = 11,358,080,699,628.04
  5. Step 5: Solve for x
    x = 11,358,080,699,628.04/3,853,859.10
  6. Step 6: Final answer
    x = 2,947,196.67

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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.