Home / 1,965,731.67-2,713,546.71-1,321,525.53

Finding the Fourth Proportional to 1,965,731.67, 2,713,546.71 and 1,321,525.53

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Solution

The fourth proportional to 1,965,731.67, 2,713,546.71 and 1,321,525.53 is: 1,824,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,731.67 : 2,713,546.71 = 1,321,525.53 : x
  2. Step 2: Convert to fraction form
    1,965,731.67/2,713,546.71 = 1,321,525.53/x
  3. Step 3: Cross multiply
    1,965,731.67x = 2,713,546.71 × 1,321,525.53
  4. Step 4: Simplify right side
    1,965,731.67x = 3,586,021,254,112.51
  5. Step 5: Solve for x
    x = 3,586,021,254,112.51/1,965,731.67
  6. Step 6: Final answer
    x = 1,824,267.93

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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.