Home / 5,398,666.40-8,091,778.80-2,201,693.60

Finding the Fourth Proportional to 5,398,666.40, 8,091,778.80 and 2,201,693.60

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Solution

The fourth proportional to 5,398,666.40, 8,091,778.80 and 2,201,693.60 is: 3,300,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,666.40 : 8,091,778.80 = 2,201,693.60 : x
  2. Step 2: Convert to fraction form
    5,398,666.40/8,091,778.80 = 2,201,693.60/x
  3. Step 3: Cross multiply
    5,398,666.40x = 8,091,778.80 × 2,201,693.60
  4. Step 4: Simplify right side
    5,398,666.40x = 17,815,617,596,575.68
  5. Step 5: Solve for x
    x = 17,815,617,596,575.68/5,398,666.40
  6. Step 6: Final answer
    x = 3,300,003.42

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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.