Home / 5,259,440.16-7,889,438.88-1,665,588.96

Finding the Fourth Proportional to 5,259,440.16, 7,889,438.88 and 1,665,588.96

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Solution

The fourth proportional to 5,259,440.16, 7,889,438.88 and 1,665,588.96 is: 2,498,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,440.16 : 7,889,438.88 = 1,665,588.96 : x
  2. Step 2: Convert to fraction form
    5,259,440.16/7,889,438.88 = 1,665,588.96/x
  3. Step 3: Cross multiply
    5,259,440.16x = 7,889,438.88 × 1,665,588.96
  4. Step 4: Simplify right side
    5,259,440.16x = 13,140,562,299,122.76
  5. Step 5: Solve for x
    x = 13,140,562,299,122.76/5,259,440.16
  6. Step 6: Final answer
    x = 2,498,471.68

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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.