Home / 5,521,496.80-8,286,910.80-2,158,117.60

Finding the Fourth Proportional to 5,521,496.80, 8,286,910.80 and 2,158,117.60

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Solution

The fourth proportional to 5,521,496.80, 8,286,910.80 and 2,158,117.60 is: 3,238,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,496.80 : 8,286,910.80 = 2,158,117.60 : x
  2. Step 2: Convert to fraction form
    5,521,496.80/8,286,910.80 = 2,158,117.60/x
  3. Step 3: Cross multiply
    5,521,496.80x = 8,286,910.80 × 2,158,117.60
  4. Step 4: Simplify right side
    5,521,496.80x = 17,884,128,047,110.08
  5. Step 5: Solve for x
    x = 17,884,128,047,110.08/5,521,496.80
  6. Step 6: Final answer
    x = 3,238,999.98

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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.