Home / 1,464,039.12-2,187,666.66-1,115,896.05

Finding the Fourth Proportional to 1,464,039.12, 2,187,666.66 and 1,115,896.05

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Solution

The fourth proportional to 1,464,039.12, 2,187,666.66 and 1,115,896.05 is: 1,667,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,039.12 : 2,187,666.66 = 1,115,896.05 : x
  2. Step 2: Convert to fraction form
    1,464,039.12/2,187,666.66 = 1,115,896.05/x
  3. Step 3: Cross multiply
    1,464,039.12x = 2,187,666.66 × 1,115,896.05
  4. Step 4: Simplify right side
    1,464,039.12x = 2,441,208,584,610.69
  5. Step 5: Solve for x
    x = 2,441,208,584,610.69/1,464,039.12
  6. Step 6: Final answer
    x = 1,667,447.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.