Home / 4,805,220.87-7,206,346.08-1,393,758.72

Finding the Fourth Proportional to 4,805,220.87, 7,206,346.08 and 1,393,758.72

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Solution

The fourth proportional to 4,805,220.87, 7,206,346.08 and 1,393,758.72 is: 2,090,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805,220.87 : 7,206,346.08 = 1,393,758.72 : x
  2. Step 2: Convert to fraction form
    4,805,220.87/7,206,346.08 = 1,393,758.72/x
  3. Step 3: Cross multiply
    4,805,220.87x = 7,206,346.08 × 1,393,758.72
  4. Step 4: Simplify right side
    4,805,220.87x = 10,043,907,688,337.82
  5. Step 5: Solve for x
    x = 10,043,907,688,337.82/4,805,220.87
  6. Step 6: Final answer
    x = 2,090,207.29

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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.