Home / 4,678,738.96-7,002,140.10-3,921,435.94

Finding the Fourth Proportional to 4,678,738.96, 7,002,140.10 and 3,921,435.94

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Solution

The fourth proportional to 4,678,738.96, 7,002,140.10 and 3,921,435.94 is: 5,868,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,738.96 : 7,002,140.10 = 3,921,435.94 : x
  2. Step 2: Convert to fraction form
    4,678,738.96/7,002,140.10 = 3,921,435.94/x
  3. Step 3: Cross multiply
    4,678,738.96x = 7,002,140.10 × 3,921,435.94
  4. Step 4: Simplify right side
    4,678,738.96x = 27,458,443,845,055.19
  5. Step 5: Solve for x
    x = 27,458,443,845,055.19/4,678,738.96
  6. Step 6: Final answer
    x = 5,868,770.21

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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.