Home / 5,133,978.05-7,082,813.34-2,957,355.36

Finding the Fourth Proportional to 5,133,978.05, 7,082,813.34 and 2,957,355.36

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Solution

The fourth proportional to 5,133,978.05, 7,082,813.34 and 2,957,355.36 is: 4,079,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,978.05 : 7,082,813.34 = 2,957,355.36 : x
  2. Step 2: Convert to fraction form
    5,133,978.05/7,082,813.34 = 2,957,355.36/x
  3. Step 3: Cross multiply
    5,133,978.05x = 7,082,813.34 × 2,957,355.36
  4. Step 4: Simplify right side
    5,133,978.05x = 20,946,395,994,928.50
  5. Step 5: Solve for x
    x = 20,946,395,994,928.50/5,133,978.05
  6. Step 6: Final answer
    x = 4,079,954.34

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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.