Home / 3,859,100.40-5,325,885.63-2,140,774.50

Finding the Fourth Proportional to 3,859,100.40, 5,325,885.63 and 2,140,774.50

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Solution

The fourth proportional to 3,859,100.40, 5,325,885.63 and 2,140,774.50 is: 2,954,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,100.40 : 5,325,885.63 = 2,140,774.50 : x
  2. Step 2: Convert to fraction form
    3,859,100.40/5,325,885.63 = 2,140,774.50/x
  3. Step 3: Cross multiply
    3,859,100.40x = 5,325,885.63 × 2,140,774.50
  4. Step 4: Simplify right side
    3,859,100.40x = 11,401,520,146,620.44
  5. Step 5: Solve for x
    x = 11,401,520,146,620.44/3,859,100.40
  6. Step 6: Final answer
    x = 2,954,450.25

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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.