Home / 2,790,447.04-3,848,171.52-1,824,405.40

Finding the Fourth Proportional to 2,790,447.04, 3,848,171.52 and 1,824,405.40

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Solution

The fourth proportional to 2,790,447.04, 3,848,171.52 and 1,824,405.40 is: 2,515,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,447.04 : 3,848,171.52 = 1,824,405.40 : x
  2. Step 2: Convert to fraction form
    2,790,447.04/3,848,171.52 = 1,824,405.40/x
  3. Step 3: Cross multiply
    2,790,447.04x = 3,848,171.52 × 1,824,405.40
  4. Step 4: Simplify right side
    2,790,447.04x = 7,020,624,901,214.21
  5. Step 5: Solve for x
    x = 7,020,624,901,214.21/2,790,447.04
  6. Step 6: Final answer
    x = 2,515,949.88

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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.