Home / 4,785,308.40-7,183,211.40-2,990,218.80

Finding the Fourth Proportional to 4,785,308.40, 7,183,211.40 and 2,990,218.80

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Solution

The fourth proportional to 4,785,308.40, 7,183,211.40 and 2,990,218.80 is: 4,488,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,308.40 : 7,183,211.40 = 2,990,218.80 : x
  2. Step 2: Convert to fraction form
    4,785,308.40/7,183,211.40 = 2,990,218.80/x
  3. Step 3: Cross multiply
    4,785,308.40x = 7,183,211.40 × 2,990,218.80
  4. Step 4: Simplify right side
    4,785,308.40x = 21,479,373,772,654.32
  5. Step 5: Solve for x
    x = 21,479,373,772,654.32/4,785,308.40
  6. Step 6: Final answer
    x = 4,488,608.04

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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.