Home / 1,985,418.44-2,976,997.74-1,355,095.88

Finding the Fourth Proportional to 1,985,418.44, 2,976,997.74 and 1,355,095.88

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Solution

The fourth proportional to 1,985,418.44, 2,976,997.74 and 1,355,095.88 is: 2,031,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,418.44 : 2,976,997.74 = 1,355,095.88 : x
  2. Step 2: Convert to fraction form
    1,985,418.44/2,976,997.74 = 1,355,095.88/x
  3. Step 3: Cross multiply
    1,985,418.44x = 2,976,997.74 × 1,355,095.88
  4. Step 4: Simplify right side
    1,985,418.44x = 4,034,117,372,243.31
  5. Step 5: Solve for x
    x = 4,034,117,372,243.31/1,985,418.44
  6. Step 6: Final answer
    x = 2,031,872.62

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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.