Home / 3,616,515.20-5,422,801.80-1,091,842.40

Finding the Fourth Proportional to 3,616,515.20, 5,422,801.80 and 1,091,842.40

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Solution

The fourth proportional to 3,616,515.20, 5,422,801.80 and 1,091,842.40 is: 1,637,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,515.20 : 5,422,801.80 = 1,091,842.40 : x
  2. Step 2: Convert to fraction form
    3,616,515.20/5,422,801.80 = 1,091,842.40/x
  3. Step 3: Cross multiply
    3,616,515.20x = 5,422,801.80 × 1,091,842.40
  4. Step 4: Simplify right side
    3,616,515.20x = 5,920,844,932,036.32
  5. Step 5: Solve for x
    x = 5,920,844,932,036.32/3,616,515.20
  6. Step 6: Final answer
    x = 1,637,168.55

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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.