Home / 1,811,981.86-2,500,551.78-996,191.29

Finding the Fourth Proportional to 1,811,981.86, 2,500,551.78 and 996,191.29

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Solution

The fourth proportional to 1,811,981.86, 2,500,551.78 and 996,191.29 is: 1,374,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,981.86 : 2,500,551.78 = 996,191.29 : x
  2. Step 2: Convert to fraction form
    1,811,981.86/2,500,551.78 = 996,191.29/x
  3. Step 3: Cross multiply
    1,811,981.86x = 2,500,551.78 × 996,191.29
  4. Step 4: Simplify right side
    1,811,981.86x = 2,491,027,903,430.00
  5. Step 5: Solve for x
    x = 2,491,027,903,430.00/1,811,981.86
  6. Step 6: Final answer
    x = 1,374,753.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.