Home / 3,180,113.91-4,768,244.43-1,427,071.28

Finding the Fourth Proportional to 3,180,113.91, 4,768,244.43 and 1,427,071.28

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Solution

The fourth proportional to 3,180,113.91, 4,768,244.43 and 1,427,071.28 is: 2,139,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,113.91 : 4,768,244.43 = 1,427,071.28 : x
  2. Step 2: Convert to fraction form
    3,180,113.91/4,768,244.43 = 1,427,071.28/x
  3. Step 3: Cross multiply
    3,180,113.91x = 4,768,244.43 × 1,427,071.28
  4. Step 4: Simplify right side
    3,180,113.91x = 6,804,624,658,231.75
  5. Step 5: Solve for x
    x = 6,804,624,658,231.75/3,180,113.91
  6. Step 6: Final answer
    x = 2,139,742.43

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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.