Home / 1,623,552.82-2,238,669.40-1,214,343.25

Finding the Fourth Proportional to 1,623,552.82, 2,238,669.40 and 1,214,343.25

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Solution

The fourth proportional to 1,623,552.82, 2,238,669.40 and 1,214,343.25 is: 1,674,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,552.82 : 2,238,669.40 = 1,214,343.25 : x
  2. Step 2: Convert to fraction form
    1,623,552.82/2,238,669.40 = 1,214,343.25/x
  3. Step 3: Cross multiply
    1,623,552.82x = 2,238,669.40 × 1,214,343.25
  4. Step 4: Simplify right side
    1,623,552.82x = 2,718,513,074,871.55
  5. Step 5: Solve for x
    x = 2,718,513,074,871.55/1,623,552.82
  6. Step 6: Final answer
    x = 1,674,422.32

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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.