Home / 3,787,935.16-5,681,902.74-1,390,742.59

Finding the Fourth Proportional to 3,787,935.16, 5,681,902.74 and 1,390,742.59

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Solution

The fourth proportional to 3,787,935.16, 5,681,902.74 and 1,390,742.59 is: 2,086,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,935.16 : 5,681,902.74 = 1,390,742.59 : x
  2. Step 2: Convert to fraction form
    3,787,935.16/5,681,902.74 = 1,390,742.59/x
  3. Step 3: Cross multiply
    3,787,935.16x = 5,681,902.74 × 1,390,742.59
  4. Step 4: Simplify right side
    3,787,935.16x = 7,902,064,132,755.70
  5. Step 5: Solve for x
    x = 7,902,064,132,755.70/3,787,935.16
  6. Step 6: Final answer
    x = 2,086,113.89

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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.