Home / 3,261,809.60-4,892,714.40-2,128,068.80

Finding the Fourth Proportional to 3,261,809.60, 4,892,714.40 and 2,128,068.80

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Solution

The fourth proportional to 3,261,809.60, 4,892,714.40 and 2,128,068.80 is: 3,192,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,809.60 : 4,892,714.40 = 2,128,068.80 : x
  2. Step 2: Convert to fraction form
    3,261,809.60/4,892,714.40 = 2,128,068.80/x
  3. Step 3: Cross multiply
    3,261,809.60x = 4,892,714.40 × 2,128,068.80
  4. Step 4: Simplify right side
    3,261,809.60x = 10,412,032,861,950.72
  5. Step 5: Solve for x
    x = 10,412,032,861,950.72/3,261,809.60
  6. Step 6: Final answer
    x = 3,192,103.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.