Home / 3,980,285.79-5,492,810.64-2,261,500.62

Finding the Fourth Proportional to 3,980,285.79, 5,492,810.64 and 2,261,500.62

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Solution

The fourth proportional to 3,980,285.79, 5,492,810.64 and 2,261,500.62 is: 3,120,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,285.79 : 5,492,810.64 = 2,261,500.62 : x
  2. Step 2: Convert to fraction form
    3,980,285.79/5,492,810.64 = 2,261,500.62/x
  3. Step 3: Cross multiply
    3,980,285.79x = 5,492,810.64 × 2,261,500.62
  4. Step 4: Simplify right side
    3,980,285.79x = 12,421,994,667,902.60
  5. Step 5: Solve for x
    x = 12,421,994,667,902.60/3,980,285.79
  6. Step 6: Final answer
    x = 3,120,880.09

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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.