Home / 2,174,022.69-3,000,093.60-1,207,128.12

Finding the Fourth Proportional to 2,174,022.69, 3,000,093.60 and 1,207,128.12

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Solution

The fourth proportional to 2,174,022.69, 3,000,093.60 and 1,207,128.12 is: 1,665,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,022.69 : 3,000,093.60 = 1,207,128.12 : x
  2. Step 2: Convert to fraction form
    2,174,022.69/3,000,093.60 = 1,207,128.12/x
  3. Step 3: Cross multiply
    2,174,022.69x = 3,000,093.60 × 1,207,128.12
  4. Step 4: Simplify right side
    2,174,022.69x = 3,621,497,347,192.03
  5. Step 5: Solve for x
    x = 3,621,497,347,192.03/2,174,022.69
  6. Step 6: Final answer
    x = 1,665,804.76

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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.