Home / 1,821,971.40-2,731,644.90-1,023,497.70

Finding the Fourth Proportional to 1,821,971.40, 2,731,644.90 and 1,023,497.70

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Solution

The fourth proportional to 1,821,971.40, 2,731,644.90 and 1,023,497.70 is: 1,534,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,971.40 : 2,731,644.90 = 1,023,497.70 : x
  2. Step 2: Convert to fraction form
    1,821,971.40/2,731,644.90 = 1,023,497.70/x
  3. Step 3: Cross multiply
    1,821,971.40x = 2,731,644.90 × 1,023,497.70
  4. Step 4: Simplify right side
    1,821,971.40x = 2,795,832,272,366.73
  5. Step 5: Solve for x
    x = 2,795,832,272,366.73/1,821,971.40
  6. Step 6: Final answer
    x = 1,534,509.42

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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.