Home / 6,686,921.70-9,228,059.28-3,786,235.02

Finding the Fourth Proportional to 6,686,921.70, 9,228,059.28 and 3,786,235.02

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Solution

The fourth proportional to 6,686,921.70, 9,228,059.28 and 3,786,235.02 is: 5,225,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686,921.70 : 9,228,059.28 = 3,786,235.02 : x
  2. Step 2: Convert to fraction form
    6,686,921.70/9,228,059.28 = 3,786,235.02/x
  3. Step 3: Cross multiply
    6,686,921.70x = 9,228,059.28 × 3,786,235.02
  4. Step 4: Simplify right side
    6,686,921.70x = 34,939,601,212,571.98
  5. Step 5: Solve for x
    x = 34,939,601,212,571.98/6,686,921.70
  6. Step 6: Final answer
    x = 5,225,065.10

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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.