Home / 5,434,809.40-8,151,177.30-1,648,415.80

Finding the Fourth Proportional to 5,434,809.40, 8,151,177.30 and 1,648,415.80

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Solution

The fourth proportional to 5,434,809.40, 8,151,177.30 and 1,648,415.80 is: 2,472,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,809.40 : 8,151,177.30 = 1,648,415.80 : x
  2. Step 2: Convert to fraction form
    5,434,809.40/8,151,177.30 = 1,648,415.80/x
  3. Step 3: Cross multiply
    5,434,809.40x = 8,151,177.30 × 1,648,415.80
  4. Step 4: Simplify right side
    5,434,809.40x = 13,436,529,449,921.34
  5. Step 5: Solve for x
    x = 13,436,529,449,921.34/5,434,809.40
  6. Step 6: Final answer
    x = 2,472,309.23

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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.