Home / 3,567,420.20-5,347,193.70-1,971,128.90

Finding the Fourth Proportional to 3,567,420.20, 5,347,193.70 and 1,971,128.90

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Solution

The fourth proportional to 3,567,420.20, 5,347,193.70 and 1,971,128.90 is: 2,954,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567,420.20 : 5,347,193.70 = 1,971,128.90 : x
  2. Step 2: Convert to fraction form
    3,567,420.20/5,347,193.70 = 1,971,128.90/x
  3. Step 3: Cross multiply
    3,567,420.20x = 5,347,193.70 × 1,971,128.90
  4. Step 4: Simplify right side
    3,567,420.20x = 10,540,008,035,967.93
  5. Step 5: Solve for x
    x = 10,540,008,035,967.93/3,567,420.20
  6. Step 6: Final answer
    x = 2,954,518.24

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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.