Home / 4,142,153.80-6,206,135.10-3,291,848.20

Finding the Fourth Proportional to 4,142,153.80, 6,206,135.10 and 3,291,848.20

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Solution

The fourth proportional to 4,142,153.80, 6,206,135.10 and 3,291,848.20 is: 4,932,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,153.80 : 6,206,135.10 = 3,291,848.20 : x
  2. Step 2: Convert to fraction form
    4,142,153.80/6,206,135.10 = 3,291,848.20/x
  3. Step 3: Cross multiply
    4,142,153.80x = 6,206,135.10 × 3,291,848.20
  4. Step 4: Simplify right side
    4,142,153.80x = 20,429,654,657,891.82
  5. Step 5: Solve for x
    x = 20,429,654,657,891.82/4,142,153.80
  6. Step 6: Final answer
    x = 4,932,133.29

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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.