Home / 1,921,642.30-2,651,752.38-1,062,151.30

Finding the Fourth Proportional to 1,921,642.30, 2,651,752.38 and 1,062,151.30

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Solution

The fourth proportional to 1,921,642.30, 2,651,752.38 and 1,062,151.30 is: 1,465,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,642.30 : 2,651,752.38 = 1,062,151.30 : x
  2. Step 2: Convert to fraction form
    1,921,642.30/2,651,752.38 = 1,062,151.30/x
  3. Step 3: Cross multiply
    1,921,642.30x = 2,651,752.38 × 1,062,151.30
  4. Step 4: Simplify right side
    1,921,642.30x = 2,816,562,237,695.09
  5. Step 5: Solve for x
    x = 2,816,562,237,695.09/1,921,642.30
  6. Step 6: Final answer
    x = 1,465,705.79

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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.