Home / 6,721,388.34-9,273,921.59-3,820,550.85

Finding the Fourth Proportional to 6,721,388.34, 9,273,921.59 and 3,820,550.85

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Solution

The fourth proportional to 6,721,388.34, 9,273,921.59 and 3,820,550.85 is: 5,271,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,388.34 : 9,273,921.59 = 3,820,550.85 : x
  2. Step 2: Convert to fraction form
    6,721,388.34/9,273,921.59 = 3,820,550.85/x
  3. Step 3: Cross multiply
    6,721,388.34x = 9,273,921.59 × 3,820,550.85
  4. Step 4: Simplify right side
    6,721,388.34x = 35,431,488,994,405.10
  5. Step 5: Solve for x
    x = 35,431,488,994,405.10/6,721,388.34
  6. Step 6: Final answer
    x = 5,271,453.93

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1.5x scale

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.