Home / 2,090,037.66-2,884,021.36-1,172,077.90

Finding the Fourth Proportional to 2,090,037.66, 2,884,021.36 and 1,172,077.90

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Solution

The fourth proportional to 2,090,037.66, 2,884,021.36 and 1,172,077.90 is: 1,617,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,037.66 : 2,884,021.36 = 1,172,077.90 : x
  2. Step 2: Convert to fraction form
    2,090,037.66/2,884,021.36 = 1,172,077.90/x
  3. Step 3: Cross multiply
    2,090,037.66x = 2,884,021.36 × 1,172,077.90
  4. Step 4: Simplify right side
    2,090,037.66x = 3,380,297,700,451.48
  5. Step 5: Solve for x
    x = 3,380,297,700,451.48/2,090,037.66
  6. Step 6: Final answer
    x = 1,617,338.18

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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.