Home / 3,420,330.40-4,717,999.61-2,258,787.36

Finding the Fourth Proportional to 3,420,330.40, 4,717,999.61 and 2,258,787.36

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Solution

The fourth proportional to 3,420,330.40, 4,717,999.61 and 2,258,787.36 is: 3,115,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,330.40 : 4,717,999.61 = 2,258,787.36 : x
  2. Step 2: Convert to fraction form
    3,420,330.40/4,717,999.61 = 2,258,787.36/x
  3. Step 3: Cross multiply
    3,420,330.40x = 4,717,999.61 × 2,258,787.36
  4. Step 4: Simplify right side
    3,420,330.40x = 10,656,957,898,421.94
  5. Step 5: Solve for x
    x = 10,656,957,898,421.94/3,420,330.40
  6. Step 6: Final answer
    x = 3,115,768.55

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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.