Home / 2,142,521.57-2,956,578.21-1,175,630.64

Finding the Fourth Proportional to 2,142,521.57, 2,956,578.21 and 1,175,630.64

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Solution

The fourth proportional to 2,142,521.57, 2,956,578.21 and 1,175,630.64 is: 1,622,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,521.57 : 2,956,578.21 = 1,175,630.64 : x
  2. Step 2: Convert to fraction form
    2,142,521.57/2,956,578.21 = 1,175,630.64/x
  3. Step 3: Cross multiply
    2,142,521.57x = 2,956,578.21 × 1,175,630.64
  4. Step 4: Simplify right side
    2,142,521.57x = 3,475,843,933,232.35
  5. Step 5: Solve for x
    x = 3,475,843,933,232.35/2,142,521.57
  6. Step 6: Final answer
    x = 1,622,314.56

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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.