Home / 3,618,609-5,430,401.82-1,254,705

Finding the Fourth Proportional to 3,618,609, 5,430,401.82 and 1,254,705

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Solution

The fourth proportional to 3,618,609, 5,430,401.82 and 1,254,705 is: 1,882,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,609 : 5,430,401.82 = 1,254,705 : x
  2. Step 2: Convert to fraction form
    3,618,609/5,430,401.82 = 1,254,705/x
  3. Step 3: Cross multiply
    3,618,609x = 5,430,401.82 × 1,254,705
  4. Step 4: Simplify right side
    3,618,609x = 6,813,552,315,563.10
  5. Step 5: Solve for x
    x = 6,813,552,315,563.10/3,618,609
  6. Step 6: Final answer
    x = 1,882,920.29

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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.