Home / 2,858,457.89-4,289,464.38-1,781,085.80

Finding the Fourth Proportional to 2,858,457.89, 4,289,464.38 and 1,781,085.80

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Solution

The fourth proportional to 2,858,457.89, 4,289,464.38 and 1,781,085.80 is: 2,672,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,457.89 : 4,289,464.38 = 1,781,085.80 : x
  2. Step 2: Convert to fraction form
    2,858,457.89/4,289,464.38 = 1,781,085.80/x
  3. Step 3: Cross multiply
    2,858,457.89x = 4,289,464.38 × 1,781,085.80
  4. Step 4: Simplify right side
    2,858,457.89x = 7,639,904,096,823.80
  5. Step 5: Solve for x
    x = 7,639,904,096,823.80/2,858,457.89
  6. Step 6: Final answer
    x = 2,672,736.28

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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.