Home / 3,616,385.20-5,422,606.80-1,091,712.40

Finding the Fourth Proportional to 3,616,385.20, 5,422,606.80 and 1,091,712.40

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Solution

The fourth proportional to 3,616,385.20, 5,422,606.80 and 1,091,712.40 is: 1,636,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,385.20 : 5,422,606.80 = 1,091,712.40 : x
  2. Step 2: Convert to fraction form
    3,616,385.20/5,422,606.80 = 1,091,712.40/x
  3. Step 3: Cross multiply
    3,616,385.20x = 5,422,606.80 × 1,091,712.40
  4. Step 4: Simplify right side
    3,616,385.20x = 5,919,927,083,884.32
  5. Step 5: Solve for x
    x = 5,919,927,083,884.32/3,616,385.20
  6. Step 6: Final answer
    x = 1,636,973.60

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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.