Home / 1,693,989.76-2,538,741.66-1,242,597.28

Finding the Fourth Proportional to 1,693,989.76, 2,538,741.66 and 1,242,597.28

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Solution

The fourth proportional to 1,693,989.76, 2,538,741.66 and 1,242,597.28 is: 1,862,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,989.76 : 2,538,741.66 = 1,242,597.28 : x
  2. Step 2: Convert to fraction form
    1,693,989.76/2,538,741.66 = 1,242,597.28/x
  3. Step 3: Cross multiply
    1,693,989.76x = 2,538,741.66 × 1,242,597.28
  4. Step 4: Simplify right side
    1,693,989.76x = 3,154,633,481,338.69
  5. Step 5: Solve for x
    x = 3,154,633,481,338.69/1,693,989.76
  6. Step 6: Final answer
    x = 1,862,250.62

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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.