Home / 2,058,724.48-3,087,938.40-638,744

Finding the Fourth Proportional to 2,058,724.48, 3,087,938.40 and 638,744

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Solution

The fourth proportional to 2,058,724.48, 3,087,938.40 and 638,744 is: 958,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,724.48 : 3,087,938.40 = 638,744 : x
  2. Step 2: Convert to fraction form
    2,058,724.48/3,087,938.40 = 638,744/x
  3. Step 3: Cross multiply
    2,058,724.48x = 3,087,938.40 × 638,744
  4. Step 4: Simplify right side
    2,058,724.48x = 1,972,402,125,369.60
  5. Step 5: Solve for x
    x = 1,972,402,125,369.60/2,058,724.48
  6. Step 6: Final answer
    x = 958,069.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.