Home / 3,991,360.62-5,508,068.32-2,180,537.58

Finding the Fourth Proportional to 3,991,360.62, 5,508,068.32 and 2,180,537.58

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Solution

The fourth proportional to 3,991,360.62, 5,508,068.32 and 2,180,537.58 is: 3,009,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,360.62 : 5,508,068.32 = 2,180,537.58 : x
  2. Step 2: Convert to fraction form
    3,991,360.62/5,508,068.32 = 2,180,537.58/x
  3. Step 3: Cross multiply
    3,991,360.62x = 5,508,068.32 × 2,180,537.58
  4. Step 4: Simplify right side
    3,991,360.62x = 12,010,549,964,967.47
  5. Step 5: Solve for x
    x = 12,010,549,964,967.47/3,991,360.62
  6. Step 6: Final answer
    x = 3,009,136.76

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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.