Home / 2,986,132.24-4,477,880.76-855,732.88

Finding the Fourth Proportional to 2,986,132.24, 4,477,880.76 and 855,732.88

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Solution

The fourth proportional to 2,986,132.24, 4,477,880.76 and 855,732.88 is: 1,283,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,132.24 : 4,477,880.76 = 855,732.88 : x
  2. Step 2: Convert to fraction form
    2,986,132.24/4,477,880.76 = 855,732.88/x
  3. Step 3: Cross multiply
    2,986,132.24x = 4,477,880.76 × 855,732.88
  4. Step 4: Simplify right side
    2,986,132.24x = 3,831,869,799,051.39
  5. Step 5: Solve for x
    x = 3,831,869,799,051.39/2,986,132.24
  6. Step 6: Final answer
    x = 1,283,221.74

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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.