Home / 1,899,960.96-2,621,950.08-1,028,805.12

Finding the Fourth Proportional to 1,899,960.96, 2,621,950.08 and 1,028,805.12

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Solution

The fourth proportional to 1,899,960.96, 2,621,950.08 and 1,028,805.12 is: 1,419,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,960.96 : 2,621,950.08 = 1,028,805.12 : x
  2. Step 2: Convert to fraction form
    1,899,960.96/2,621,950.08 = 1,028,805.12/x
  3. Step 3: Cross multiply
    1,899,960.96x = 2,621,950.08 × 1,028,805.12
  4. Step 4: Simplify right side
    1,899,960.96x = 2,697,475,666,688.41
  5. Step 5: Solve for x
    x = 2,697,475,666,688.41/1,899,960.96
  6. Step 6: Final answer
    x = 1,419,753.21

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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.