Home / 5,194,856.28-7,168,558.92-2,989,362.69

Finding the Fourth Proportional to 5,194,856.28, 7,168,558.92 and 2,989,362.69

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Solution

The fourth proportional to 5,194,856.28, 7,168,558.92 and 2,989,362.69 is: 4,125,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,856.28 : 7,168,558.92 = 2,989,362.69 : x
  2. Step 2: Convert to fraction form
    5,194,856.28/7,168,558.92 = 2,989,362.69/x
  3. Step 3: Cross multiply
    5,194,856.28x = 7,168,558.92 × 2,989,362.69
  4. Step 4: Simplify right side
    5,194,856.28x = 21,429,422,576,514.70
  5. Step 5: Solve for x
    x = 21,429,422,576,514.70/5,194,856.28
  6. Step 6: Final answer
    x = 4,125,123.28

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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.