Home / 4,278,001.20-6,408,059.40-2,005,465.20

Finding the Fourth Proportional to 4,278,001.20, 6,408,059.40 and 2,005,465.20

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Solution

The fourth proportional to 4,278,001.20, 6,408,059.40 and 2,005,465.20 is: 3,004,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,001.20 : 6,408,059.40 = 2,005,465.20 : x
  2. Step 2: Convert to fraction form
    4,278,001.20/6,408,059.40 = 2,005,465.20/x
  3. Step 3: Cross multiply
    4,278,001.20x = 6,408,059.40 × 2,005,465.20
  4. Step 4: Simplify right side
    4,278,001.20x = 12,851,140,126,232.88
  5. Step 5: Solve for x
    x = 12,851,140,126,232.88/4,278,001.20
  6. Step 6: Final answer
    x = 3,004,005.73

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1.5x scale

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.