Home / 1,699,699.40-2,543,644.20-1,557,981.80

Finding the Fourth Proportional to 1,699,699.40, 2,543,644.20 and 1,557,981.80

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Solution

The fourth proportional to 1,699,699.40, 2,543,644.20 and 1,557,981.80 is: 2,331,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,699.40 : 2,543,644.20 = 1,557,981.80 : x
  2. Step 2: Convert to fraction form
    1,699,699.40/2,543,644.20 = 1,557,981.80/x
  3. Step 3: Cross multiply
    1,699,699.40x = 2,543,644.20 × 1,557,981.80
  4. Step 4: Simplify right side
    1,699,699.40x = 3,962,951,369,275.56
  5. Step 5: Solve for x
    x = 3,962,951,369,275.56/1,699,699.40
  6. Step 6: Final answer
    x = 2,331,560.14

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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.