Home / 5,433,428.63-8,150,422.04-1,389,951.47

Finding the Fourth Proportional to 5,433,428.63, 8,150,422.04 and 1,389,951.47

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Solution

The fourth proportional to 5,433,428.63, 8,150,422.04 and 1,389,951.47 is: 2,084,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,428.63 : 8,150,422.04 = 1,389,951.47 : x
  2. Step 2: Convert to fraction form
    5,433,428.63/8,150,422.04 = 1,389,951.47/x
  3. Step 3: Cross multiply
    5,433,428.63x = 8,150,422.04 × 1,389,951.47
  4. Step 4: Simplify right side
    5,433,428.63x = 11,328,691,114,257.01
  5. Step 5: Solve for x
    x = 11,328,691,114,257.01/5,433,428.63
  6. Step 6: Final answer
    x = 2,084,998.60

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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.