Home / 2,457,814.13-3,390,394.34-1,538,447.33

Finding the Fourth Proportional to 2,457,814.13, 3,390,394.34 and 1,538,447.33

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Solution

The fourth proportional to 2,457,814.13, 3,390,394.34 and 1,538,447.33 is: 2,122,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,814.13 : 3,390,394.34 = 1,538,447.33 : x
  2. Step 2: Convert to fraction form
    2,457,814.13/3,390,394.34 = 1,538,447.33/x
  3. Step 3: Cross multiply
    2,457,814.13x = 3,390,394.34 × 1,538,447.33
  4. Step 4: Simplify right side
    2,457,814.13x = 5,215,943,095,375.90
  5. Step 5: Solve for x
    x = 5,215,943,095,375.90/2,457,814.13
  6. Step 6: Final answer
    x = 2,122,187.78

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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.