Home / 2,987,916.56-4,123,381-1,629,838.16

Finding the Fourth Proportional to 2,987,916.56, 4,123,381 and 1,629,838.16

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Solution

The fourth proportional to 2,987,916.56, 4,123,381 and 1,629,838.16 is: 2,249,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,916.56 : 4,123,381 = 1,629,838.16 : x
  2. Step 2: Convert to fraction form
    2,987,916.56/4,123,381 = 1,629,838.16/x
  3. Step 3: Cross multiply
    2,987,916.56x = 4,123,381 × 1,629,838.16
  4. Step 4: Simplify right side
    2,987,916.56x = 6,720,443,702,018.96
  5. Step 5: Solve for x
    x = 6,720,443,702,018.96/2,987,916.56
  6. Step 6: Final answer
    x = 2,249,207.29

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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.