Home / 4,256,289.66-6,384,255.87-1,981,031.46

Finding the Fourth Proportional to 4,256,289.66, 6,384,255.87 and 1,981,031.46

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Solution

The fourth proportional to 4,256,289.66, 6,384,255.87 and 1,981,031.46 is: 2,971,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256,289.66 : 6,384,255.87 = 1,981,031.46 : x
  2. Step 2: Convert to fraction form
    4,256,289.66/6,384,255.87 = 1,981,031.46/x
  3. Step 3: Cross multiply
    4,256,289.66x = 6,384,255.87 × 1,981,031.46
  4. Step 4: Simplify right side
    4,256,289.66x = 12,647,411,727,159.67
  5. Step 5: Solve for x
    x = 12,647,411,727,159.67/4,256,289.66
  6. Step 6: Final answer
    x = 2,971,464.05

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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.