Home / 1,894,961.46-2,615,313.48-1,206,413.40

Finding the Fourth Proportional to 1,894,961.46, 2,615,313.48 and 1,206,413.40

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Solution

The fourth proportional to 1,894,961.46, 2,615,313.48 and 1,206,413.40 is: 1,665,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,961.46 : 2,615,313.48 = 1,206,413.40 : x
  2. Step 2: Convert to fraction form
    1,894,961.46/2,615,313.48 = 1,206,413.40/x
  3. Step 3: Cross multiply
    1,894,961.46x = 2,615,313.48 × 1,206,413.40
  4. Step 4: Simplify right side
    1,894,961.46x = 3,155,149,227,472.63
  5. Step 5: Solve for x
    x = 3,155,149,227,472.63/1,894,961.46
  6. Step 6: Final answer
    x = 1,665,020.26

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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.