Home / 3,118,135.12-4,677,213.51-959,145.57

Finding the Fourth Proportional to 3,118,135.12, 4,677,213.51 and 959,145.57

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Solution

The fourth proportional to 3,118,135.12, 4,677,213.51 and 959,145.57 is: 1,438,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,135.12 : 4,677,213.51 = 959,145.57 : x
  2. Step 2: Convert to fraction form
    3,118,135.12/4,677,213.51 = 959,145.57/x
  3. Step 3: Cross multiply
    3,118,135.12x = 4,677,213.51 × 959,145.57
  4. Step 4: Simplify right side
    3,118,135.12x = 4,486,128,618,060.65
  5. Step 5: Solve for x
    x = 4,486,128,618,060.65/3,118,135.12
  6. Step 6: Final answer
    x = 1,438,721.69

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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.