Home / 4,142,142.80-6,206,118.60-3,291,837.20

Finding the Fourth Proportional to 4,142,142.80, 6,206,118.60 and 3,291,837.20

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Solution

The fourth proportional to 4,142,142.80, 6,206,118.60 and 3,291,837.20 is: 4,932,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,142.80 : 6,206,118.60 = 3,291,837.20 : x
  2. Step 2: Convert to fraction form
    4,142,142.80/6,206,118.60 = 3,291,837.20/x
  3. Step 3: Cross multiply
    4,142,142.80x = 6,206,118.60 × 3,291,837.20
  4. Step 4: Simplify right side
    4,142,142.80x = 20,429,532,075,091.92
  5. Step 5: Solve for x
    x = 20,429,532,075,091.92/4,142,142.80
  6. Step 6: Final answer
    x = 4,932,116.80

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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.