Home / 3,123,636.42-4,685,833.78-879,774.42

Finding the Fourth Proportional to 3,123,636.42, 4,685,833.78 and 879,774.42

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Solution

The fourth proportional to 3,123,636.42, 4,685,833.78 and 879,774.42 is: 1,319,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,636.42 : 4,685,833.78 = 879,774.42 : x
  2. Step 2: Convert to fraction form
    3,123,636.42/4,685,833.78 = 879,774.42/x
  3. Step 3: Cross multiply
    3,123,636.42x = 4,685,833.78 × 879,774.42
  4. Step 4: Simplify right side
    3,123,636.42x = 4,122,476,716,337.08
  5. Step 5: Solve for x
    x = 4,122,476,716,337.08/3,123,636.42
  6. Step 6: Final answer
    x = 1,319,768.42

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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.