Home / 3,856,840.34-5,322,981.89-2,387,220.27

Finding the Fourth Proportional to 3,856,840.34, 5,322,981.89 and 2,387,220.27

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Solution

The fourth proportional to 3,856,840.34, 5,322,981.89 and 2,387,220.27 is: 3,294,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,840.34 : 5,322,981.89 = 2,387,220.27 : x
  2. Step 2: Convert to fraction form
    3,856,840.34/5,322,981.89 = 2,387,220.27/x
  3. Step 3: Cross multiply
    3,856,840.34x = 5,322,981.89 × 2,387,220.27
  4. Step 4: Simplify right side
    3,856,840.34x = 12,707,130,252,714.81
  5. Step 5: Solve for x
    x = 12,707,130,252,714.81/3,856,840.34
  6. Step 6: Final answer
    x = 3,294,699.58

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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.