Home / 2,114,562.54-3,171,816.30-517,139.46

Finding the Fourth Proportional to 2,114,562.54, 3,171,816.30 and 517,139.46

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Solution

The fourth proportional to 2,114,562.54, 3,171,816.30 and 517,139.46 is: 775,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,562.54 : 3,171,816.30 = 517,139.46 : x
  2. Step 2: Convert to fraction form
    2,114,562.54/3,171,816.30 = 517,139.46/x
  3. Step 3: Cross multiply
    2,114,562.54x = 3,171,816.30 × 517,139.46
  4. Step 4: Simplify right side
    2,114,562.54x = 1,640,271,368,601.20
  5. Step 5: Solve for x
    x = 1,640,271,368,601.20/2,114,562.54
  6. Step 6: Final answer
    x = 775,702.46

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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.