Home / 1,927,058.31-2,658,137.89-1,239,626.46

Finding the Fourth Proportional to 1,927,058.31, 2,658,137.89 and 1,239,626.46

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Solution

The fourth proportional to 1,927,058.31, 2,658,137.89 and 1,239,626.46 is: 1,709,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,058.31 : 2,658,137.89 = 1,239,626.46 : x
  2. Step 2: Convert to fraction form
    1,927,058.31/2,658,137.89 = 1,239,626.46/x
  3. Step 3: Cross multiply
    1,927,058.31x = 2,658,137.89 × 1,239,626.46
  4. Step 4: Simplify right side
    1,927,058.31x = 3,295,098,053,024.23
  5. Step 5: Solve for x
    x = 3,295,098,053,024.23/1,927,058.31
  6. Step 6: Final answer
    x = 1,709,910.93

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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.