Home / 3,856,971.90-5,322,263.04-2,137,946.16

Finding the Fourth Proportional to 3,856,971.90, 5,322,263.04 and 2,137,946.16

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Solution

The fourth proportional to 3,856,971.90, 5,322,263.04 and 2,137,946.16 is: 2,950,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,971.90 : 5,322,263.04 = 2,137,946.16 : x
  2. Step 2: Convert to fraction form
    3,856,971.90/5,322,263.04 = 2,137,946.16/x
  3. Step 3: Cross multiply
    3,856,971.90x = 5,322,263.04 × 2,137,946.16
  4. Step 4: Simplify right side
    3,856,971.90x = 11,378,711,828,877.93
  5. Step 5: Solve for x
    x = 11,378,711,828,877.93/3,856,971.90
  6. Step 6: Final answer
    x = 2,950,167.16

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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.