Home / 2,678,012.45-3,695,645.75-1,454,309.40

Finding the Fourth Proportional to 2,678,012.45, 3,695,645.75 and 1,454,309.40

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Solution

The fourth proportional to 2,678,012.45, 3,695,645.75 and 1,454,309.40 is: 2,006,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,012.45 : 3,695,645.75 = 1,454,309.40 : x
  2. Step 2: Convert to fraction form
    2,678,012.45/3,695,645.75 = 1,454,309.40/x
  3. Step 3: Cross multiply
    2,678,012.45x = 3,695,645.75 × 1,454,309.40
  4. Step 4: Simplify right side
    2,678,012.45x = 5,374,612,353,295.05
  5. Step 5: Solve for x
    x = 5,374,612,353,295.05/2,678,012.45
  6. Step 6: Final answer
    x = 2,006,940.77

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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.