Home / 3,077,909.62-4,617,096.50-918,764.21

Finding the Fourth Proportional to 3,077,909.62, 4,617,096.50 and 918,764.21

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Solution

The fourth proportional to 3,077,909.62, 4,617,096.50 and 918,764.21 is: 1,378,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,909.62 : 4,617,096.50 = 918,764.21 : x
  2. Step 2: Convert to fraction form
    3,077,909.62/4,617,096.50 = 918,764.21/x
  3. Step 3: Cross multiply
    3,077,909.62x = 4,617,096.50 × 918,764.21
  4. Step 4: Simplify right side
    3,077,909.62x = 4,242,023,032,155.92
  5. Step 5: Solve for x
    x = 4,242,023,032,155.92/3,077,909.62
  6. Step 6: Final answer
    x = 1,378,215.59

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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.