Home / 1,914,903.24-2,642,534.64-1,055,543.28

Finding the Fourth Proportional to 1,914,903.24, 2,642,534.64 and 1,055,543.28

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Solution

The fourth proportional to 1,914,903.24, 2,642,534.64 and 1,055,543.28 is: 1,456,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,903.24 : 2,642,534.64 = 1,055,543.28 : x
  2. Step 2: Convert to fraction form
    1,914,903.24/2,642,534.64 = 1,055,543.28/x
  3. Step 3: Cross multiply
    1,914,903.24x = 2,642,534.64 × 1,055,543.28
  4. Step 4: Simplify right side
    1,914,903.24x = 2,789,309,681,419.22
  5. Step 5: Solve for x
    x = 2,789,309,681,419.22/1,914,903.24
  6. Step 6: Final answer
    x = 1,456,632.18

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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.