Home / 1,916,739.19-2,644,895.80-1,057,299.45

Finding the Fourth Proportional to 1,916,739.19, 2,644,895.80 and 1,057,299.45

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Solution

The fourth proportional to 1,916,739.19, 2,644,895.80 and 1,057,299.45 is: 1,458,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,739.19 : 2,644,895.80 = 1,057,299.45 : x
  2. Step 2: Convert to fraction form
    1,916,739.19/2,644,895.80 = 1,057,299.45/x
  3. Step 3: Cross multiply
    1,916,739.19x = 2,644,895.80 × 1,057,299.45
  4. Step 4: Simplify right side
    1,916,739.19x = 2,796,446,874,647.31
  5. Step 5: Solve for x
    x = 2,796,446,874,647.31/1,916,739.19
  6. Step 6: Final answer
    x = 1,458,960.56

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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.