Home / 3,115,738.80-4,674,920.40-1,696,813.20

Finding the Fourth Proportional to 3,115,738.80, 4,674,920.40 and 1,696,813.20

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Solution

The fourth proportional to 3,115,738.80, 4,674,920.40 and 1,696,813.20 is: 2,545,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,738.80 : 4,674,920.40 = 1,696,813.20 : x
  2. Step 2: Convert to fraction form
    3,115,738.80/4,674,920.40 = 1,696,813.20/x
  3. Step 3: Cross multiply
    3,115,738.80x = 4,674,920.40 × 1,696,813.20
  4. Step 4: Simplify right side
    3,115,738.80x = 7,932,466,643,669.28
  5. Step 5: Solve for x
    x = 7,932,466,643,669.28/3,115,738.80
  6. Step 6: Final answer
    x = 2,545,934.42

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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.