Home / 3,943,279.14-5,915,133.99-1,247,403.89

Finding the Fourth Proportional to 3,943,279.14, 5,915,133.99 and 1,247,403.89

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Solution

The fourth proportional to 3,943,279.14, 5,915,133.99 and 1,247,403.89 is: 1,871,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,279.14 : 5,915,133.99 = 1,247,403.89 : x
  2. Step 2: Convert to fraction form
    3,943,279.14/5,915,133.99 = 1,247,403.89/x
  3. Step 3: Cross multiply
    3,943,279.14x = 5,915,133.99 × 1,247,403.89
  4. Step 4: Simplify right side
    3,943,279.14x = 7,378,561,119,421.55
  5. Step 5: Solve for x
    x = 7,378,561,119,421.55/3,943,279.14
  6. Step 6: Final answer
    x = 1,871,173.93

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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.