Home / 4,885,433.05-7,328,211.90-1,291,168.93

Finding the Fourth Proportional to 4,885,433.05, 7,328,211.90 and 1,291,168.93

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Solution

The fourth proportional to 4,885,433.05, 7,328,211.90 and 1,291,168.93 is: 1,936,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,433.05 : 7,328,211.90 = 1,291,168.93 : x
  2. Step 2: Convert to fraction form
    4,885,433.05/7,328,211.90 = 1,291,168.93/x
  3. Step 3: Cross multiply
    4,885,433.05x = 7,328,211.90 × 1,291,168.93
  4. Step 4: Simplify right side
    4,885,433.05x = 9,461,959,517,736.27
  5. Step 5: Solve for x
    x = 9,461,959,517,736.27/4,885,433.05
  6. Step 6: Final answer
    x = 1,936,769.87

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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.