Home / 2,071,495.40-3,105,975.90-807,866.60

Finding the Fourth Proportional to 2,071,495.40, 3,105,975.90 and 807,866.60

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Solution

The fourth proportional to 2,071,495.40, 3,105,975.90 and 807,866.60 is: 1,211,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,495.40 : 3,105,975.90 = 807,866.60 : x
  2. Step 2: Convert to fraction form
    2,071,495.40/3,105,975.90 = 807,866.60/x
  3. Step 3: Cross multiply
    2,071,495.40x = 3,105,975.90 × 807,866.60
  4. Step 4: Simplify right side
    2,071,495.40x = 2,509,214,190,014.94
  5. Step 5: Solve for x
    x = 2,509,214,190,014.94/2,071,495.40
  6. Step 6: Final answer
    x = 1,211,305.70

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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.