Home / 3,875,396.40-5,810,470.20-1,980,579.60

Finding the Fourth Proportional to 3,875,396.40, 5,810,470.20 and 1,980,579.60

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Solution

The fourth proportional to 3,875,396.40, 5,810,470.20 and 1,980,579.60 is: 2,969,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,396.40 : 5,810,470.20 = 1,980,579.60 : x
  2. Step 2: Convert to fraction form
    3,875,396.40/5,810,470.20 = 1,980,579.60/x
  3. Step 3: Cross multiply
    3,875,396.40x = 5,810,470.20 × 1,980,579.60
  4. Step 4: Simplify right side
    3,875,396.40x = 11,508,098,744,527.92
  5. Step 5: Solve for x
    x = 11,508,098,744,527.92/3,875,396.40
  6. Step 6: Final answer
    x = 2,969,528.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.