Home / 2,200,619.70-3,301,913.70-781,694.10

Finding the Fourth Proportional to 2,200,619.70, 3,301,913.70 and 781,694.10

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Solution

The fourth proportional to 2,200,619.70, 3,301,913.70 and 781,694.10 is: 1,172,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,619.70 : 3,301,913.70 = 781,694.10 : x
  2. Step 2: Convert to fraction form
    2,200,619.70/3,301,913.70 = 781,694.10/x
  3. Step 3: Cross multiply
    2,200,619.70x = 3,301,913.70 × 781,694.10
  4. Step 4: Simplify right side
    2,200,619.70x = 2,581,086,457,999.17
  5. Step 5: Solve for x
    x = 2,581,086,457,999.17/2,200,619.70
  6. Step 6: Final answer
    x = 1,172,890.74

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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.