Home / 2,788,920.70-4,186,145.85-1,370,578.30

Finding the Fourth Proportional to 2,788,920.70, 4,186,145.85 and 1,370,578.30

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Solution

The fourth proportional to 2,788,920.70, 4,186,145.85 and 1,370,578.30 is: 2,057,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,920.70 : 4,186,145.85 = 1,370,578.30 : x
  2. Step 2: Convert to fraction form
    2,788,920.70/4,186,145.85 = 1,370,578.30/x
  3. Step 3: Cross multiply
    2,788,920.70x = 4,186,145.85 × 1,370,578.30
  4. Step 4: Simplify right side
    2,788,920.70x = 5,737,440,662,645.06
  5. Step 5: Solve for x
    x = 5,737,440,662,645.06/2,788,920.70
  6. Step 6: Final answer
    x = 2,057,226.17

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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.