Home / 5,078,765.34-7,008,692.40-2,903,356.44

Finding the Fourth Proportional to 5,078,765.34, 7,008,692.40 and 2,903,356.44

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Solution

The fourth proportional to 5,078,765.34, 7,008,692.40 and 2,903,356.44 is: 4,006,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,765.34 : 7,008,692.40 = 2,903,356.44 : x
  2. Step 2: Convert to fraction form
    5,078,765.34/7,008,692.40 = 2,903,356.44/x
  3. Step 3: Cross multiply
    5,078,765.34x = 7,008,692.40 × 2,903,356.44
  4. Step 4: Simplify right side
    5,078,765.34x = 20,348,732,215,519.06
  5. Step 5: Solve for x
    x = 20,348,732,215,519.06/5,078,765.34
  6. Step 6: Final answer
    x = 4,006,629.73

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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.