Home / 3,380,787.07-5,071,771.13-1,487,479.30

Finding the Fourth Proportional to 3,380,787.07, 5,071,771.13 and 1,487,479.30

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Solution

The fourth proportional to 3,380,787.07, 5,071,771.13 and 1,487,479.30 is: 2,231,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,787.07 : 5,071,771.13 = 1,487,479.30 : x
  2. Step 2: Convert to fraction form
    3,380,787.07/5,071,771.13 = 1,487,479.30/x
  3. Step 3: Cross multiply
    3,380,787.07x = 5,071,771.13 × 1,487,479.30
  4. Step 4: Simplify right side
    3,380,787.07x = 7,544,154,550,095.79
  5. Step 5: Solve for x
    x = 7,544,154,550,095.79/3,380,787.07
  6. Step 6: Final answer
    x = 2,231,478.76

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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.