Home / 3,081,211.60-4,621,817.40-806,731.60

Finding the Fourth Proportional to 3,081,211.60, 4,621,817.40 and 806,731.60

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Solution

The fourth proportional to 3,081,211.60, 4,621,817.40 and 806,731.60 is: 1,210,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,211.60 : 4,621,817.40 = 806,731.60 : x
  2. Step 2: Convert to fraction form
    3,081,211.60/4,621,817.40 = 806,731.60/x
  3. Step 3: Cross multiply
    3,081,211.60x = 4,621,817.40 × 806,731.60
  4. Step 4: Simplify right side
    3,081,211.60x = 3,728,566,146,009.84
  5. Step 5: Solve for x
    x = 3,728,566,146,009.84/3,081,211.60
  6. Step 6: Final answer
    x = 1,210,097.40

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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.