Home / 1,965,409.70-2,948,113.62-545,465.32

Finding the Fourth Proportional to 1,965,409.70, 2,948,113.62 and 545,465.32

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Solution

The fourth proportional to 1,965,409.70, 2,948,113.62 and 545,465.32 is: 818,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,409.70 : 2,948,113.62 = 545,465.32 : x
  2. Step 2: Convert to fraction form
    1,965,409.70/2,948,113.62 = 545,465.32/x
  3. Step 3: Cross multiply
    1,965,409.70x = 2,948,113.62 × 545,465.32
  4. Step 4: Simplify right side
    1,965,409.70x = 1,608,093,739,129.66
  5. Step 5: Solve for x
    x = 1,608,093,739,129.66/1,965,409.70
  6. Step 6: Final answer
    x = 818,197.72

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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.