Home / 1,881,090.95-2,820,914.37-800,918.66

Finding the Fourth Proportional to 1,881,090.95, 2,820,914.37 and 800,918.66

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Solution

The fourth proportional to 1,881,090.95, 2,820,914.37 and 800,918.66 is: 1,201,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,090.95 : 2,820,914.37 = 800,918.66 : x
  2. Step 2: Convert to fraction form
    1,881,090.95/2,820,914.37 = 800,918.66/x
  3. Step 3: Cross multiply
    1,881,090.95x = 2,820,914.37 × 800,918.66
  4. Step 4: Simplify right side
    1,881,090.95x = 2,259,322,964,247.43
  5. Step 5: Solve for x
    x = 2,259,322,964,247.43/1,881,090.95
  6. Step 6: Final answer
    x = 1,201,070.57

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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.