Home / 3,787,928.04-5,681,892.06-1,390,735.47

Finding the Fourth Proportional to 3,787,928.04, 5,681,892.06 and 1,390,735.47

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Solution

The fourth proportional to 3,787,928.04, 5,681,892.06 and 1,390,735.47 is: 2,086,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,928.04 : 5,681,892.06 = 1,390,735.47 : x
  2. Step 2: Convert to fraction form
    3,787,928.04/5,681,892.06 = 1,390,735.47/x
  3. Step 3: Cross multiply
    3,787,928.04x = 5,681,892.06 × 1,390,735.47
  4. Step 4: Simplify right side
    3,787,928.04x = 7,902,008,796,143.91
  5. Step 5: Solve for x
    x = 7,902,008,796,143.91/3,787,928.04
  6. Step 6: Final answer
    x = 2,086,103.20

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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.