Home / 3,064,411.72-4,228,722.31-1,687,486.32

Finding the Fourth Proportional to 3,064,411.72, 4,228,722.31 and 1,687,486.32

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Solution

The fourth proportional to 3,064,411.72, 4,228,722.31 and 1,687,486.32 is: 2,328,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064,411.72 : 4,228,722.31 = 1,687,486.32 : x
  2. Step 2: Convert to fraction form
    3,064,411.72/4,228,722.31 = 1,687,486.32/x
  3. Step 3: Cross multiply
    3,064,411.72x = 4,228,722.31 × 1,687,486.32
  4. Step 4: Simplify right side
    3,064,411.72x = 7,135,911,049,203.80
  5. Step 5: Solve for x
    x = 7,135,911,049,203.80/3,064,411.72
  6. Step 6: Final answer
    x = 2,328,639.79

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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.