Home / 1,951,819.80-2,927,729.70-1,643,890.20

Finding the Fourth Proportional to 1,951,819.80, 2,927,729.70 and 1,643,890.20

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Solution

The fourth proportional to 1,951,819.80, 2,927,729.70 and 1,643,890.20 is: 2,465,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,819.80 : 2,927,729.70 = 1,643,890.20 : x
  2. Step 2: Convert to fraction form
    1,951,819.80/2,927,729.70 = 1,643,890.20/x
  3. Step 3: Cross multiply
    1,951,819.80x = 2,927,729.70 × 1,643,890.20
  4. Step 4: Simplify right side
    1,951,819.80x = 4,812,866,162,078.94
  5. Step 5: Solve for x
    x = 4,812,866,162,078.94/1,951,819.80
  6. Step 6: Final answer
    x = 2,465,835.30

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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.