Home / 3,935,072.03-5,430,786.81-2,303,380.49

Finding the Fourth Proportional to 3,935,072.03, 5,430,786.81 and 2,303,380.49

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Solution

The fourth proportional to 3,935,072.03, 5,430,786.81 and 2,303,380.49 is: 3,178,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,072.03 : 5,430,786.81 = 2,303,380.49 : x
  2. Step 2: Convert to fraction form
    3,935,072.03/5,430,786.81 = 2,303,380.49/x
  3. Step 3: Cross multiply
    3,935,072.03x = 5,430,786.81 × 2,303,380.49
  4. Step 4: Simplify right side
    3,935,072.03x = 12,509,168,383,503.34
  5. Step 5: Solve for x
    x = 12,509,168,383,503.34/3,935,072.03
  6. Step 6: Final answer
    x = 3,178,891.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.