Home / 5,111,961.63-7,054,529.88-2,788,847.09

Finding the Fourth Proportional to 5,111,961.63, 7,054,529.88 and 2,788,847.09

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Solution

The fourth proportional to 5,111,961.63, 7,054,529.88 and 2,788,847.09 is: 3,848,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,961.63 : 7,054,529.88 = 2,788,847.09 : x
  2. Step 2: Convert to fraction form
    5,111,961.63/7,054,529.88 = 2,788,847.09/x
  3. Step 3: Cross multiply
    5,111,961.63x = 7,054,529.88 × 2,788,847.09
  4. Step 4: Simplify right side
    5,111,961.63x = 19,674,005,091,883.40
  5. Step 5: Solve for x
    x = 19,674,005,091,883.40/5,111,961.63
  6. Step 6: Final answer
    x = 3,848,621.43

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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.