Home / 5,180,833.10-7,771,249.65-3,669,178.70

Finding the Fourth Proportional to 5,180,833.10, 7,771,249.65 and 3,669,178.70

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Solution

The fourth proportional to 5,180,833.10, 7,771,249.65 and 3,669,178.70 is: 5,503,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,833.10 : 7,771,249.65 = 3,669,178.70 : x
  2. Step 2: Convert to fraction form
    5,180,833.10/7,771,249.65 = 3,669,178.70/x
  3. Step 3: Cross multiply
    5,180,833.10x = 7,771,249.65 × 3,669,178.70
  4. Step 4: Simplify right side
    5,180,833.10x = 28,514,103,688,162.46
  5. Step 5: Solve for x
    x = 28,514,103,688,162.46/5,180,833.10
  6. Step 6: Final answer
    x = 5,503,768.05

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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.