Home / 1,888,728.54-2,605,705.52-1,162,315.14

Finding the Fourth Proportional to 1,888,728.54, 2,605,705.52 and 1,162,315.14

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Solution

The fourth proportional to 1,888,728.54, 2,605,705.52 and 1,162,315.14 is: 1,603,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,728.54 : 2,605,705.52 = 1,162,315.14 : x
  2. Step 2: Convert to fraction form
    1,888,728.54/2,605,705.52 = 1,162,315.14/x
  3. Step 3: Cross multiply
    1,888,728.54x = 2,605,705.52 × 1,162,315.14
  4. Step 4: Simplify right side
    1,888,728.54x = 3,028,650,976,277.57
  5. Step 5: Solve for x
    x = 3,028,650,976,277.57/1,888,728.54
  6. Step 6: Final answer
    x = 1,603,539.58

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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.