Home / 2,136,009.61-3,203,516.04-619,285.48

Finding the Fourth Proportional to 2,136,009.61, 3,203,516.04 and 619,285.48

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Solution

The fourth proportional to 2,136,009.61, 3,203,516.04 and 619,285.48 is: 928,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,009.61 : 3,203,516.04 = 619,285.48 : x
  2. Step 2: Convert to fraction form
    2,136,009.61/3,203,516.04 = 619,285.48/x
  3. Step 3: Cross multiply
    2,136,009.61x = 3,203,516.04 × 619,285.48
  4. Step 4: Simplify right side
    2,136,009.61x = 1,983,890,968,519.10
  5. Step 5: Solve for x
    x = 1,983,890,968,519.10/2,136,009.61
  6. Step 6: Final answer
    x = 928,783.73

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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.