Home / 3,138,063-4,705,265.52-1,216,729.59

Finding the Fourth Proportional to 3,138,063, 4,705,265.52 and 1,216,729.59

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Solution

The fourth proportional to 3,138,063, 4,705,265.52 and 1,216,729.59 is: 1,824,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,063 : 4,705,265.52 = 1,216,729.59 : x
  2. Step 2: Convert to fraction form
    3,138,063/4,705,265.52 = 1,216,729.59/x
  3. Step 3: Cross multiply
    3,138,063x = 4,705,265.52 × 1,216,729.59
  4. Step 4: Simplify right side
    3,138,063x = 5,725,035,786,990.74
  5. Step 5: Solve for x
    x = 5,725,035,786,990.74/3,138,063
  6. Step 6: Final answer
    x = 1,824,385.23

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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.