Home / 1,921,100.74-2,881,651.11-723,291.77

Finding the Fourth Proportional to 1,921,100.74, 2,881,651.11 and 723,291.77

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Solution

The fourth proportional to 1,921,100.74, 2,881,651.11 and 723,291.77 is: 1,084,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,100.74 : 2,881,651.11 = 723,291.77 : x
  2. Step 2: Convert to fraction form
    1,921,100.74/2,881,651.11 = 723,291.77/x
  3. Step 3: Cross multiply
    1,921,100.74x = 2,881,651.11 × 723,291.77
  4. Step 4: Simplify right side
    1,921,100.74x = 2,084,274,536,366.15
  5. Step 5: Solve for x
    x = 2,084,274,536,366.15/1,921,100.74
  6. Step 6: Final answer
    x = 1,084,937.66

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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.