Home / 5,390,027.40-8,073,231.30-4,791,664.20

Finding the Fourth Proportional to 5,390,027.40, 8,073,231.30 and 4,791,664.20

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Solution

The fourth proportional to 5,390,027.40, 8,073,231.30 and 4,791,664.20 is: 7,176,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,027.40 : 8,073,231.30 = 4,791,664.20 : x
  2. Step 2: Convert to fraction form
    5,390,027.40/8,073,231.30 = 4,791,664.20/x
  3. Step 3: Cross multiply
    5,390,027.40x = 8,073,231.30 × 4,791,664.20
  4. Step 4: Simplify right side
    5,390,027.40x = 38,684,213,398,529.46
  5. Step 5: Solve for x
    x = 38,684,213,398,529.46/5,390,027.40
  6. Step 6: Final answer
    x = 7,176,997.54

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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.