Home / 2,777,820.24-3,833,991.51-1,690,442.16

Finding the Fourth Proportional to 2,777,820.24, 3,833,991.51 and 1,690,442.16

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Solution

The fourth proportional to 2,777,820.24, 3,833,991.51 and 1,690,442.16 is: 2,333,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,820.24 : 3,833,991.51 = 1,690,442.16 : x
  2. Step 2: Convert to fraction form
    2,777,820.24/3,833,991.51 = 1,690,442.16/x
  3. Step 3: Cross multiply
    2,777,820.24x = 3,833,991.51 × 1,690,442.16
  4. Step 4: Simplify right side
    2,777,820.24x = 6,481,140,889,586.06
  5. Step 5: Solve for x
    x = 6,481,140,889,586.06/2,777,820.24
  6. Step 6: Final answer
    x = 2,333,175.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.