Home / 2,146,288.40-3,219,864.60-629,968.40

Finding the Fourth Proportional to 2,146,288.40, 3,219,864.60 and 629,968.40

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Solution

The fourth proportional to 2,146,288.40, 3,219,864.60 and 629,968.40 is: 945,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,288.40 : 3,219,864.60 = 629,968.40 : x
  2. Step 2: Convert to fraction form
    2,146,288.40/3,219,864.60 = 629,968.40/x
  3. Step 3: Cross multiply
    2,146,288.40x = 3,219,864.60 × 629,968.40
  4. Step 4: Simplify right side
    2,146,288.40x = 2,028,412,950,278.64
  5. Step 5: Solve for x
    x = 2,028,412,950,278.64/2,146,288.40
  6. Step 6: Final answer
    x = 945,079.40

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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.