Home / 3,020,949.72-4,168,911.78-1,662,813

Finding the Fourth Proportional to 3,020,949.72, 4,168,911.78 and 1,662,813

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Solution

The fourth proportional to 3,020,949.72, 4,168,911.78 and 1,662,813 is: 2,294,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,949.72 : 4,168,911.78 = 1,662,813 : x
  2. Step 2: Convert to fraction form
    3,020,949.72/4,168,911.78 = 1,662,813/x
  3. Step 3: Cross multiply
    3,020,949.72x = 4,168,911.78 × 1,662,813
  4. Step 4: Simplify right side
    3,020,949.72x = 6,932,120,703,637.14
  5. Step 5: Solve for x
    x = 6,932,120,703,637.14/3,020,949.72
  6. Step 6: Final answer
    x = 2,294,682.58

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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.