Home / 2,378,622.38-3,282,500.59-1,290,893.67

Finding the Fourth Proportional to 2,378,622.38, 3,282,500.59 and 1,290,893.67

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Solution

The fourth proportional to 2,378,622.38, 3,282,500.59 and 1,290,893.67 is: 1,781,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,622.38 : 3,282,500.59 = 1,290,893.67 : x
  2. Step 2: Convert to fraction form
    2,378,622.38/3,282,500.59 = 1,290,893.67/x
  3. Step 3: Cross multiply
    2,378,622.38x = 3,282,500.59 × 1,290,893.67
  4. Step 4: Simplify right side
    2,378,622.38x = 4,237,359,220,372.74
  5. Step 5: Solve for x
    x = 4,237,359,220,372.74/2,378,622.38
  6. Step 6: Final answer
    x = 1,781,434.19

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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.