Home / 3,857,000.69-5,785,685.55-3,181,830.05

Finding the Fourth Proportional to 3,857,000.69, 5,785,685.55 and 3,181,830.05

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Solution

The fourth proportional to 3,857,000.69, 5,785,685.55 and 3,181,830.05 is: 4,772,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,000.69 : 5,785,685.55 = 3,181,830.05 : x
  2. Step 2: Convert to fraction form
    3,857,000.69/5,785,685.55 = 3,181,830.05/x
  3. Step 3: Cross multiply
    3,857,000.69x = 5,785,685.55 × 3,181,830.05
  4. Step 4: Simplify right side
    3,857,000.69x = 18,409,068,113,912.35
  5. Step 5: Solve for x
    x = 18,409,068,113,912.35/3,857,000.69
  6. Step 6: Final answer
    x = 4,772,897.29

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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.