Home / 2,791,875.89-4,188,487.09-969,975.66

Finding the Fourth Proportional to 2,791,875.89, 4,188,487.09 and 969,975.66

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Solution

The fourth proportional to 2,791,875.89, 4,188,487.09 and 969,975.66 is: 1,455,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,875.89 : 4,188,487.09 = 969,975.66 : x
  2. Step 2: Convert to fraction form
    2,791,875.89/4,188,487.09 = 969,975.66/x
  3. Step 3: Cross multiply
    2,791,875.89x = 4,188,487.09 × 969,975.66
  4. Step 4: Simplify right side
    2,791,875.89x = 4,062,730,521,064.58
  5. Step 5: Solve for x
    x = 4,062,730,521,064.58/2,791,875.89
  6. Step 6: Final answer
    x = 1,455,197.39

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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.