Home / 1,996,190.10-2,994,722.55-648,123.30

Finding the Fourth Proportional to 1,996,190.10, 2,994,722.55 and 648,123.30

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Solution

The fourth proportional to 1,996,190.10, 2,994,722.55 and 648,123.30 is: 972,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,190.10 : 2,994,722.55 = 648,123.30 : x
  2. Step 2: Convert to fraction form
    1,996,190.10/2,994,722.55 = 648,123.30/x
  3. Step 3: Cross multiply
    1,996,190.10x = 2,994,722.55 × 648,123.30
  4. Step 4: Simplify right side
    1,996,190.10x = 1,940,949,461,690.42
  5. Step 5: Solve for x
    x = 1,940,949,461,690.42/1,996,190.10
  6. Step 6: Final answer
    x = 972,326.97

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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.