Home / 2,818,936.53-3,890,160.95-1,529,788.05

Finding the Fourth Proportional to 2,818,936.53, 3,890,160.95 and 1,529,788.05

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Solution

The fourth proportional to 2,818,936.53, 3,890,160.95 and 1,529,788.05 is: 2,111,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,936.53 : 3,890,160.95 = 1,529,788.05 : x
  2. Step 2: Convert to fraction form
    2,818,936.53/3,890,160.95 = 1,529,788.05/x
  3. Step 3: Cross multiply
    2,818,936.53x = 3,890,160.95 × 1,529,788.05
  4. Step 4: Simplify right side
    2,818,936.53x = 5,951,121,726,237.71
  5. Step 5: Solve for x
    x = 5,951,121,726,237.71/2,818,936.53
  6. Step 6: Final answer
    x = 2,111,122.99

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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.