Home / 1,321,364.81-1,819,095.39-1,185,163.06

Finding the Fourth Proportional to 1,321,364.81, 1,819,095.39 and 1,185,163.06

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Solution

The fourth proportional to 1,321,364.81, 1,819,095.39 and 1,185,163.06 is: 1,631,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,364.81 : 1,819,095.39 = 1,185,163.06 : x
  2. Step 2: Convert to fraction form
    1,321,364.81/1,819,095.39 = 1,185,163.06/x
  3. Step 3: Cross multiply
    1,321,364.81x = 1,819,095.39 × 1,185,163.06
  4. Step 4: Simplify right side
    1,321,364.81x = 2,155,924,658,844.29
  5. Step 5: Solve for x
    x = 2,155,924,658,844.29/1,321,364.81
  6. Step 6: Final answer
    x = 1,631,589.28

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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.