Home / 2,053,854.80-3,081,308.60-855,378.64

Finding the Fourth Proportional to 2,053,854.80, 3,081,308.60 and 855,378.64

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Solution

The fourth proportional to 2,053,854.80, 3,081,308.60 and 855,378.64 is: 1,283,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053,854.80 : 3,081,308.60 = 855,378.64 : x
  2. Step 2: Convert to fraction form
    2,053,854.80/3,081,308.60 = 855,378.64/x
  3. Step 3: Cross multiply
    2,053,854.80x = 3,081,308.60 × 855,378.64
  4. Step 4: Simplify right side
    2,053,854.80x = 2,635,685,559,688.30
  5. Step 5: Solve for x
    x = 2,635,685,559,688.30/2,053,854.80
  6. Step 6: Final answer
    x = 1,283,287.19

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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.