Home / 2,144,240.22-2,958,842.07-1,238,802.78

Finding the Fourth Proportional to 2,144,240.22, 2,958,842.07 and 1,238,802.78

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Solution

The fourth proportional to 2,144,240.22, 2,958,842.07 and 1,238,802.78 is: 1,709,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,240.22 : 2,958,842.07 = 1,238,802.78 : x
  2. Step 2: Convert to fraction form
    2,144,240.22/2,958,842.07 = 1,238,802.78/x
  3. Step 3: Cross multiply
    2,144,240.22x = 2,958,842.07 × 1,238,802.78
  4. Step 4: Simplify right side
    2,144,240.22x = 3,665,421,781,896.95
  5. Step 5: Solve for x
    x = 3,665,421,781,896.95/2,144,240.22
  6. Step 6: Final answer
    x = 1,709,426.84

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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.