Home / 1,916,164.89-2,873,089.61-763,588.74

Finding the Fourth Proportional to 1,916,164.89, 2,873,089.61 and 763,588.74

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Solution

The fourth proportional to 1,916,164.89, 2,873,089.61 and 763,588.74 is: 1,144,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,164.89 : 2,873,089.61 = 763,588.74 : x
  2. Step 2: Convert to fraction form
    1,916,164.89/2,873,089.61 = 763,588.74/x
  3. Step 3: Cross multiply
    1,916,164.89x = 2,873,089.61 × 763,588.74
  4. Step 4: Simplify right side
    1,916,164.89x = 2,193,858,875,206.99
  5. Step 5: Solve for x
    x = 2,193,858,875,206.99/1,916,164.89
  6. Step 6: Final answer
    x = 1,144,921.76

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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.