Home / 3,946,776.26-5,921,100.38-1,287,384.26

Finding the Fourth Proportional to 3,946,776.26, 5,921,100.38 and 1,287,384.26

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Solution

The fourth proportional to 3,946,776.26, 5,921,100.38 and 1,287,384.26 is: 1,931,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,776.26 : 5,921,100.38 = 1,287,384.26 : x
  2. Step 2: Convert to fraction form
    3,946,776.26/5,921,100.38 = 1,287,384.26/x
  3. Step 3: Cross multiply
    3,946,776.26x = 5,921,100.38 × 1,287,384.26
  4. Step 4: Simplify right side
    3,946,776.26x = 7,622,731,431,092.02
  5. Step 5: Solve for x
    x = 7,622,731,431,092.02/3,946,776.26
  6. Step 6: Final answer
    x = 1,931,381.70

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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.