Home / 1,811,917.89-2,500,448.29-996,135.45

Finding the Fourth Proportional to 1,811,917.89, 2,500,448.29 and 996,135.45

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Solution

The fourth proportional to 1,811,917.89, 2,500,448.29 and 996,135.45 is: 1,374,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,917.89 : 2,500,448.29 = 996,135.45 : x
  2. Step 2: Convert to fraction form
    1,811,917.89/2,500,448.29 = 996,135.45/x
  3. Step 3: Cross multiply
    1,811,917.89x = 2,500,448.29 × 996,135.45
  4. Step 4: Simplify right side
    1,811,917.89x = 2,490,785,191,302.34
  5. Step 5: Solve for x
    x = 2,490,785,191,302.34/1,811,917.89
  6. Step 6: Final answer
    x = 1,374,667.81

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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.