Home / 1,881,305.69-2,821,766.29-515,200.87

Finding the Fourth Proportional to 1,881,305.69, 2,821,766.29 and 515,200.87

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Solution

The fourth proportional to 1,881,305.69, 2,821,766.29 and 515,200.87 is: 772,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,305.69 : 2,821,766.29 = 515,200.87 : x
  2. Step 2: Convert to fraction form
    1,881,305.69/2,821,766.29 = 515,200.87/x
  3. Step 3: Cross multiply
    1,881,305.69x = 2,821,766.29 × 515,200.87
  4. Step 4: Simplify right side
    1,881,305.69x = 1,453,776,447,544.67
  5. Step 5: Solve for x
    x = 1,453,776,447,544.67/1,881,305.69
  6. Step 6: Final answer
    x = 772,748.66

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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.