Home / 1,989,716.16-2,745,866.56-1,084,356.48

Finding the Fourth Proportional to 1,989,716.16, 2,745,866.56 and 1,084,356.48

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Solution

The fourth proportional to 1,989,716.16, 2,745,866.56 and 1,084,356.48 is: 1,496,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,716.16 : 2,745,866.56 = 1,084,356.48 : x
  2. Step 2: Convert to fraction form
    1,989,716.16/2,745,866.56 = 1,084,356.48/x
  3. Step 3: Cross multiply
    1,989,716.16x = 2,745,866.56 × 1,084,356.48
  4. Step 4: Simplify right side
    1,989,716.16x = 2,977,498,197,551.31
  5. Step 5: Solve for x
    x = 2,977,498,197,551.31/1,989,716.16
  6. Step 6: Final answer
    x = 1,496,443.69

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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.