Home / 3,612,021.72-4,984,685.10-2,042,028.60

Finding the Fourth Proportional to 3,612,021.72, 4,984,685.10 and 2,042,028.60

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Solution

The fourth proportional to 3,612,021.72, 4,984,685.10 and 2,042,028.60 is: 2,818,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,021.72 : 4,984,685.10 = 2,042,028.60 : x
  2. Step 2: Convert to fraction form
    3,612,021.72/4,984,685.10 = 2,042,028.60/x
  3. Step 3: Cross multiply
    3,612,021.72x = 4,984,685.10 × 2,042,028.60
  4. Step 4: Simplify right side
    3,612,021.72x = 10,178,869,536,193.86
  5. Step 5: Solve for x
    x = 10,178,869,536,193.86/3,612,021.72
  6. Step 6: Final answer
    x = 2,818,053.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.