Home / 3,186,408.96-4,780,313.28-942,372

Finding the Fourth Proportional to 3,186,408.96, 4,780,313.28 and 942,372

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Solution

The fourth proportional to 3,186,408.96, 4,780,313.28 and 942,372 is: 1,413,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,408.96 : 4,780,313.28 = 942,372 : x
  2. Step 2: Convert to fraction form
    3,186,408.96/4,780,313.28 = 942,372/x
  3. Step 3: Cross multiply
    3,186,408.96x = 4,780,313.28 × 942,372
  4. Step 4: Simplify right side
    3,186,408.96x = 4,504,833,386,300.16
  5. Step 5: Solve for x
    x = 4,504,833,386,300.16/3,186,408.96
  6. Step 6: Final answer
    x = 1,413,764.98

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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.