Home / 1,692,149.13-2,536,961.31-1,018,072.47

Finding the Fourth Proportional to 1,692,149.13, 2,536,961.31 and 1,018,072.47

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Solution

The fourth proportional to 1,692,149.13, 2,536,961.31 and 1,018,072.47 is: 1,526,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,149.13 : 2,536,961.31 = 1,018,072.47 : x
  2. Step 2: Convert to fraction form
    1,692,149.13/2,536,961.31 = 1,018,072.47/x
  3. Step 3: Cross multiply
    1,692,149.13x = 2,536,961.31 × 1,018,072.47
  4. Step 4: Simplify right side
    1,692,149.13x = 2,582,810,467,166.14
  5. Step 5: Solve for x
    x = 2,582,810,467,166.14/1,692,149.13
  6. Step 6: Final answer
    x = 1,526,349.20

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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.