Home / 3,998,824.38-5,998,485.78-1,602,357.66

Finding the Fourth Proportional to 3,998,824.38, 5,998,485.78 and 1,602,357.66

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Solution

The fourth proportional to 3,998,824.38, 5,998,485.78 and 1,602,357.66 is: 2,403,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,824.38 : 5,998,485.78 = 1,602,357.66 : x
  2. Step 2: Convert to fraction form
    3,998,824.38/5,998,485.78 = 1,602,357.66/x
  3. Step 3: Cross multiply
    3,998,824.38x = 5,998,485.78 × 1,602,357.66
  4. Step 4: Simplify right side
    3,998,824.38x = 9,611,719,637,984.07
  5. Step 5: Solve for x
    x = 9,611,719,637,984.07/3,998,824.38
  6. Step 6: Final answer
    x = 2,403,636.35

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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.