Home / 3,391,409.82-4,680,144.47-1,863,615.36

Finding the Fourth Proportional to 3,391,409.82, 4,680,144.47 and 1,863,615.36

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Solution

The fourth proportional to 3,391,409.82, 4,680,144.47 and 1,863,615.36 is: 2,571,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,409.82 : 4,680,144.47 = 1,863,615.36 : x
  2. Step 2: Convert to fraction form
    3,391,409.82/4,680,144.47 = 1,863,615.36/x
  3. Step 3: Cross multiply
    3,391,409.82x = 4,680,144.47 × 1,863,615.36
  4. Step 4: Simplify right side
    3,391,409.82x = 8,721,989,125,970.10
  5. Step 5: Solve for x
    x = 8,721,989,125,970.10/3,391,409.82
  6. Step 6: Final answer
    x = 2,571,788.60

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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.