Home / 2,119,832.70-3,178,654.65-623,730.30

Finding the Fourth Proportional to 2,119,832.70, 3,178,654.65 and 623,730.30

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Solution

The fourth proportional to 2,119,832.70, 3,178,654.65 and 623,730.30 is: 935,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,832.70 : 3,178,654.65 = 623,730.30 : x
  2. Step 2: Convert to fraction form
    2,119,832.70/3,178,654.65 = 623,730.30/x
  3. Step 3: Cross multiply
    2,119,832.70x = 3,178,654.65 × 623,730.30
  4. Step 4: Simplify right side
    2,119,832.70x = 1,982,623,218,440.90
  5. Step 5: Solve for x
    x = 1,982,623,218,440.90/2,119,832.70
  6. Step 6: Final answer
    x = 935,273.44

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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.