Home / 4,009,156.94-5,501,961.36-3,980,813.42

Finding the Fourth Proportional to 4,009,156.94, 5,501,961.36 and 3,980,813.42

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Solution

The fourth proportional to 4,009,156.94, 5,501,961.36 and 3,980,813.42 is: 5,463,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,156.94 : 5,501,961.36 = 3,980,813.42 : x
  2. Step 2: Convert to fraction form
    4,009,156.94/5,501,961.36 = 3,980,813.42/x
  3. Step 3: Cross multiply
    4,009,156.94x = 5,501,961.36 × 3,980,813.42
  4. Step 4: Simplify right side
    4,009,156.94x = 21,902,281,618,209.45
  5. Step 5: Solve for x
    x = 21,902,281,618,209.45/4,009,156.94
  6. Step 6: Final answer
    x = 5,463,064.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.