Home / 5,430,002.80-8,139,820.20-2,017,375.60

Finding the Fourth Proportional to 5,430,002.80, 8,139,820.20 and 2,017,375.60

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Solution

The fourth proportional to 5,430,002.80, 8,139,820.20 and 2,017,375.60 is: 3,024,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,002.80 : 8,139,820.20 = 2,017,375.60 : x
  2. Step 2: Convert to fraction form
    5,430,002.80/8,139,820.20 = 2,017,375.60/x
  3. Step 3: Cross multiply
    5,430,002.80x = 8,139,820.20 × 2,017,375.60
  4. Step 4: Simplify right side
    5,430,002.80x = 16,421,074,659,867.12
  5. Step 5: Solve for x
    x = 16,421,074,659,867.12/5,430,002.80
  6. Step 6: Final answer
    x = 3,024,137.42

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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.