Home / 2,829,131.28-4,243,655.34-699,215.58

Finding the Fourth Proportional to 2,829,131.28, 4,243,655.34 and 699,215.58

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Solution

The fourth proportional to 2,829,131.28, 4,243,655.34 and 699,215.58 is: 1,048,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,131.28 : 4,243,655.34 = 699,215.58 : x
  2. Step 2: Convert to fraction form
    2,829,131.28/4,243,655.34 = 699,215.58/x
  3. Step 3: Cross multiply
    2,829,131.28x = 4,243,655.34 × 699,215.58
  4. Step 4: Simplify right side
    2,829,131.28x = 2,967,229,929,878.20
  5. Step 5: Solve for x
    x = 2,967,229,929,878.20/2,829,131.28
  6. Step 6: Final answer
    x = 1,048,813.09

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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.