Home / 4,518,789.12-6,778,183.68-1,323,915.84

Finding the Fourth Proportional to 4,518,789.12, 6,778,183.68 and 1,323,915.84

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Solution

The fourth proportional to 4,518,789.12, 6,778,183.68 and 1,323,915.84 is: 1,985,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,789.12 : 6,778,183.68 = 1,323,915.84 : x
  2. Step 2: Convert to fraction form
    4,518,789.12/6,778,183.68 = 1,323,915.84/x
  3. Step 3: Cross multiply
    4,518,789.12x = 6,778,183.68 × 1,323,915.84
  4. Step 4: Simplify right side
    4,518,789.12x = 8,973,744,740,381.49
  5. Step 5: Solve for x
    x = 8,973,744,740,381.49/4,518,789.12
  6. Step 6: Final answer
    x = 1,985,873.76

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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.