Home / 3,828,430.20-5,283,465.66-2,109,548.64

Finding the Fourth Proportional to 3,828,430.20, 5,283,465.66 and 2,109,548.64

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Solution

The fourth proportional to 3,828,430.20, 5,283,465.66 and 2,109,548.64 is: 2,911,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,430.20 : 5,283,465.66 = 2,109,548.64 : x
  2. Step 2: Convert to fraction form
    3,828,430.20/5,283,465.66 = 2,109,548.64/x
  3. Step 3: Cross multiply
    3,828,430.20x = 5,283,465.66 × 2,109,548.64
  4. Step 4: Simplify right side
    3,828,430.20x = 11,145,727,797,539.70
  5. Step 5: Solve for x
    x = 11,145,727,797,539.70/3,828,430.20
  6. Step 6: Final answer
    x = 2,911,304.95

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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.