Home / 5,939,405.80-8,909,108.70-2,153,012.20

Finding the Fourth Proportional to 5,939,405.80, 8,909,108.70 and 2,153,012.20

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Solution

The fourth proportional to 5,939,405.80, 8,909,108.70 and 2,153,012.20 is: 3,229,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939,405.80 : 8,909,108.70 = 2,153,012.20 : x
  2. Step 2: Convert to fraction form
    5,939,405.80/8,909,108.70 = 2,153,012.20/x
  3. Step 3: Cross multiply
    5,939,405.80x = 8,909,108.70 × 2,153,012.20
  4. Step 4: Simplify right side
    5,939,405.80x = 19,181,419,722,226.14
  5. Step 5: Solve for x
    x = 19,181,419,722,226.14/5,939,405.80
  6. Step 6: Final answer
    x = 3,229,518.30

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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.