Home / 3,556,562.07-4,908,174.50-2,179,639.78

Finding the Fourth Proportional to 3,556,562.07, 4,908,174.50 and 2,179,639.78

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Solution

The fourth proportional to 3,556,562.07, 4,908,174.50 and 2,179,639.78 is: 3,007,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,562.07 : 4,908,174.50 = 2,179,639.78 : x
  2. Step 2: Convert to fraction form
    3,556,562.07/4,908,174.50 = 2,179,639.78/x
  3. Step 3: Cross multiply
    3,556,562.07x = 4,908,174.50 × 2,179,639.78
  4. Step 4: Simplify right side
    3,556,562.07x = 10,698,052,395,908.28
  5. Step 5: Solve for x
    x = 10,698,052,395,908.28/3,556,562.07
  6. Step 6: Final answer
    x = 3,007,975.73

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Double scale
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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.