Home / 4,380,405.12-6,569,498.55-1,305,686.43

Finding the Fourth Proportional to 4,380,405.12, 6,569,498.55 and 1,305,686.43

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Solution

The fourth proportional to 4,380,405.12, 6,569,498.55 and 1,305,686.43 is: 1,958,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,405.12 : 6,569,498.55 = 1,305,686.43 : x
  2. Step 2: Convert to fraction form
    4,380,405.12/6,569,498.55 = 1,305,686.43/x
  3. Step 3: Cross multiply
    4,380,405.12x = 6,569,498.55 × 1,305,686.43
  4. Step 4: Simplify right side
    4,380,405.12x = 8,577,705,108,639.68
  5. Step 5: Solve for x
    x = 8,577,705,108,639.68/4,380,405.12
  6. Step 6: Final answer
    x = 1,958,199.04

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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.