Home / 2,111,250.40-3,166,875.92-513,813.47

Finding the Fourth Proportional to 2,111,250.40, 3,166,875.92 and 513,813.47

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Solution

The fourth proportional to 2,111,250.40, 3,166,875.92 and 513,813.47 is: 770,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,250.40 : 3,166,875.92 = 513,813.47 : x
  2. Step 2: Convert to fraction form
    2,111,250.40/3,166,875.92 = 513,813.47/x
  3. Step 3: Cross multiply
    2,111,250.40x = 3,166,875.92 × 513,813.47
  4. Step 4: Simplify right side
    2,111,250.40x = 1,627,183,490,964.80
  5. Step 5: Solve for x
    x = 1,627,183,490,964.80/2,111,250.40
  6. Step 6: Final answer
    x = 770,720.28

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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.