Home / 4,191,913.85-6,289,427.74-2,911,846.86

Finding the Fourth Proportional to 4,191,913.85, 6,289,427.74 and 2,911,846.86

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Solution

The fourth proportional to 4,191,913.85, 6,289,427.74 and 2,911,846.86 is: 4,368,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,913.85 : 6,289,427.74 = 2,911,846.86 : x
  2. Step 2: Convert to fraction form
    4,191,913.85/6,289,427.74 = 2,911,846.86/x
  3. Step 3: Cross multiply
    4,191,913.85x = 6,289,427.74 × 2,911,846.86
  4. Step 4: Simplify right side
    4,191,913.85x = 18,313,850,434,487.87
  5. Step 5: Solve for x
    x = 18,313,850,434,487.87/4,191,913.85
  6. Step 6: Final answer
    x = 4,368,851.81

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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.