Home / 2,928,446.40-4,392,264.60-908,079.60

Finding the Fourth Proportional to 2,928,446.40, 4,392,264.60 and 908,079.60

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Solution

The fourth proportional to 2,928,446.40, 4,392,264.60 and 908,079.60 is: 1,361,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,446.40 : 4,392,264.60 = 908,079.60 : x
  2. Step 2: Convert to fraction form
    2,928,446.40/4,392,264.60 = 908,079.60/x
  3. Step 3: Cross multiply
    2,928,446.40x = 4,392,264.60 × 908,079.60
  4. Step 4: Simplify right side
    2,928,446.40x = 3,988,525,881,062.16
  5. Step 5: Solve for x
    x = 3,988,525,881,062.16/2,928,446.40
  6. Step 6: Final answer
    x = 1,361,993.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.