Home / 1,918,131.03-2,877,171.48-551,940.39

Finding the Fourth Proportional to 1,918,131.03, 2,877,171.48 and 551,940.39

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Solution

The fourth proportional to 1,918,131.03, 2,877,171.48 and 551,940.39 is: 827,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,131.03 : 2,877,171.48 = 551,940.39 : x
  2. Step 2: Convert to fraction form
    1,918,131.03/2,877,171.48 = 551,940.39/x
  3. Step 3: Cross multiply
    1,918,131.03x = 2,877,171.48 × 551,940.39
  4. Step 4: Simplify right side
    1,918,131.03x = 1,588,027,148,768.08
  5. Step 5: Solve for x
    x = 1,588,027,148,768.08/1,918,131.03
  6. Step 6: Final answer
    x = 827,903.37

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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.