Home / 2,808,972.50-3,876,354.48-1,519,784.60

Finding the Fourth Proportional to 2,808,972.50, 3,876,354.48 and 1,519,784.60

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Solution

The fourth proportional to 2,808,972.50, 3,876,354.48 and 1,519,784.60 is: 2,097,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,972.50 : 3,876,354.48 = 1,519,784.60 : x
  2. Step 2: Convert to fraction form
    2,808,972.50/3,876,354.48 = 1,519,784.60/x
  3. Step 3: Cross multiply
    2,808,972.50x = 3,876,354.48 × 1,519,784.60
  4. Step 4: Simplify right side
    2,808,972.50x = 5,891,223,842,845.01
  5. Step 5: Solve for x
    x = 5,891,223,842,845.01/2,808,972.50
  6. Step 6: Final answer
    x = 2,097,287.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.