Home / 2,118,401.28-2,922,721.92-1,314,051.84

Finding the Fourth Proportional to 2,118,401.28, 2,922,721.92 and 1,314,051.84

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Solution

The fourth proportional to 2,118,401.28, 2,922,721.92 and 1,314,051.84 is: 1,812,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,401.28 : 2,922,721.92 = 1,314,051.84 : x
  2. Step 2: Convert to fraction form
    2,118,401.28/2,922,721.92 = 1,314,051.84/x
  3. Step 3: Cross multiply
    2,118,401.28x = 2,922,721.92 × 1,314,051.84
  4. Step 4: Simplify right side
    2,118,401.28x = 3,840,608,116,784.33
  5. Step 5: Solve for x
    x = 3,840,608,116,784.33/2,118,401.28
  6. Step 6: Final answer
    x = 1,812,974.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.