Home / 1,578,072.03-2,177,695.72-889,737.78

Finding the Fourth Proportional to 1,578,072.03, 2,177,695.72 and 889,737.78

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Solution

The fourth proportional to 1,578,072.03, 2,177,695.72 and 889,737.78 is: 1,227,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,072.03 : 2,177,695.72 = 889,737.78 : x
  2. Step 2: Convert to fraction form
    1,578,072.03/2,177,695.72 = 889,737.78/x
  3. Step 3: Cross multiply
    1,578,072.03x = 2,177,695.72 × 889,737.78
  4. Step 4: Simplify right side
    1,578,072.03x = 1,937,578,155,428.30
  5. Step 5: Solve for x
    x = 1,937,578,155,428.30/1,578,072.03
  6. Step 6: Final answer
    x = 1,227,813.51

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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.