Home / 2,114,565.54-3,171,820.80-517,142.46

Finding the Fourth Proportional to 2,114,565.54, 3,171,820.80 and 517,142.46

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Solution

The fourth proportional to 2,114,565.54, 3,171,820.80 and 517,142.46 is: 775,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,565.54 : 3,171,820.80 = 517,142.46 : x
  2. Step 2: Convert to fraction form
    2,114,565.54/3,171,820.80 = 517,142.46/x
  3. Step 3: Cross multiply
    2,114,565.54x = 3,171,820.80 × 517,142.46
  4. Step 4: Simplify right side
    2,114,565.54x = 1,640,283,211,191.17
  5. Step 5: Solve for x
    x = 1,640,283,211,191.17/2,114,565.54
  6. Step 6: Final answer
    x = 775,706.96

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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.