Home / 2,778,115.20-4,156,113.60-2,408,246.40

Finding the Fourth Proportional to 2,778,115.20, 4,156,113.60 and 2,408,246.40

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Solution

The fourth proportional to 2,778,115.20, 4,156,113.60 and 2,408,246.40 is: 3,602,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,115.20 : 4,156,113.60 = 2,408,246.40 : x
  2. Step 2: Convert to fraction form
    2,778,115.20/4,156,113.60 = 2,408,246.40/x
  3. Step 3: Cross multiply
    2,778,115.20x = 4,156,113.60 × 2,408,246.40
  4. Step 4: Simplify right side
    2,778,115.20x = 10,008,945,615,191.04
  5. Step 5: Solve for x
    x = 10,008,945,615,191.04/2,778,115.20
  6. Step 6: Final answer
    x = 3,602,782.78

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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.