Home / 3,005,089.70-4,509,114.41-1,407,376.85

Finding the Fourth Proportional to 3,005,089.70, 4,509,114.41 and 1,407,376.85

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Solution

The fourth proportional to 3,005,089.70, 4,509,114.41 and 1,407,376.85 is: 2,111,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,089.70 : 4,509,114.41 = 1,407,376.85 : x
  2. Step 2: Convert to fraction form
    3,005,089.70/4,509,114.41 = 1,407,376.85/x
  3. Step 3: Cross multiply
    3,005,089.70x = 4,509,114.41 × 1,407,376.85
  4. Step 4: Simplify right side
    3,005,089.70x = 6,346,023,215,608.28
  5. Step 5: Solve for x
    x = 6,346,023,215,608.28/3,005,089.70
  6. Step 6: Final answer
    x = 2,111,758.34

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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.