Home / 5,390,990.80-8,086,486.20-1,401,902.80

Finding the Fourth Proportional to 5,390,990.80, 8,086,486.20 and 1,401,902.80

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Solution

The fourth proportional to 5,390,990.80, 8,086,486.20 and 1,401,902.80 is: 2,102,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,990.80 : 8,086,486.20 = 1,401,902.80 : x
  2. Step 2: Convert to fraction form
    5,390,990.80/8,086,486.20 = 1,401,902.80/x
  3. Step 3: Cross multiply
    5,390,990.80x = 8,086,486.20 × 1,401,902.80
  4. Step 4: Simplify right side
    5,390,990.80x = 11,336,467,645,941.36
  5. Step 5: Solve for x
    x = 11,336,467,645,941.36/5,390,990.80
  6. Step 6: Final answer
    x = 2,102,854.20

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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.