Home / 2,109,858.60-3,162,714.30-1,885,909.80

Finding the Fourth Proportional to 2,109,858.60, 3,162,714.30 and 1,885,909.80

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Solution

The fourth proportional to 2,109,858.60, 3,162,714.30 and 1,885,909.80 is: 2,827,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,858.60 : 3,162,714.30 = 1,885,909.80 : x
  2. Step 2: Convert to fraction form
    2,109,858.60/3,162,714.30 = 1,885,909.80/x
  3. Step 3: Cross multiply
    2,109,858.60x = 3,162,714.30 × 1,885,909.80
  4. Step 4: Simplify right side
    2,109,858.60x = 5,964,593,892,970.14
  5. Step 5: Solve for x
    x = 5,964,593,892,970.14/2,109,858.60
  6. Step 6: Final answer
    x = 2,827,011.20

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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.