Home / 5,217,618.40-7,826,038.80-2,184,200.80

Finding the Fourth Proportional to 5,217,618.40, 7,826,038.80 and 2,184,200.80

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Solution

The fourth proportional to 5,217,618.40, 7,826,038.80 and 2,184,200.80 is: 3,276,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,618.40 : 7,826,038.80 = 2,184,200.80 : x
  2. Step 2: Convert to fraction form
    5,217,618.40/7,826,038.80 = 2,184,200.80/x
  3. Step 3: Cross multiply
    5,217,618.40x = 7,826,038.80 × 2,184,200.80
  4. Step 4: Simplify right side
    5,217,618.40x = 17,093,640,207,791.04
  5. Step 5: Solve for x
    x = 17,093,640,207,791.04/5,217,618.40
  6. Step 6: Final answer
    x = 3,276,138.44

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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.