Home / 5,430,999.40-8,151,091.80-2,238,416.80

Finding the Fourth Proportional to 5,430,999.40, 8,151,091.80 and 2,238,416.80

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Solution

The fourth proportional to 5,430,999.40, 8,151,091.80 and 2,238,416.80 is: 3,359,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,999.40 : 8,151,091.80 = 2,238,416.80 : x
  2. Step 2: Convert to fraction form
    5,430,999.40/8,151,091.80 = 2,238,416.80/x
  3. Step 3: Cross multiply
    5,430,999.40x = 8,151,091.80 × 2,238,416.80
  4. Step 4: Simplify right side
    5,430,999.40x = 18,245,540,823,462.24
  5. Step 5: Solve for x
    x = 18,245,540,823,462.24/5,430,999.40
  6. Step 6: Final answer
    x = 3,359,518.11

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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.