Home / 6,145,433.85-8,480,699.39-3,392,122.05

Finding the Fourth Proportional to 6,145,433.85, 8,480,699.39 and 3,392,122.05

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Solution

The fourth proportional to 6,145,433.85, 8,480,699.39 and 3,392,122.05 is: 4,681,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,433.85 : 8,480,699.39 = 3,392,122.05 : x
  2. Step 2: Convert to fraction form
    6,145,433.85/8,480,699.39 = 3,392,122.05/x
  3. Step 3: Cross multiply
    6,145,433.85x = 8,480,699.39 × 3,392,122.05
  4. Step 4: Simplify right side
    6,145,433.85x = 28,767,567,408,720.85
  5. Step 5: Solve for x
    x = 28,767,567,408,720.85/6,145,433.85
  6. Step 6: Final answer
    x = 4,681,128.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.