Home / 1,928,296.80-2,661,240.42-1,069,023.15

Finding the Fourth Proportional to 1,928,296.80, 2,661,240.42 and 1,069,023.15

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Solution

The fourth proportional to 1,928,296.80, 2,661,240.42 and 1,069,023.15 is: 1,475,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,296.80 : 2,661,240.42 = 1,069,023.15 : x
  2. Step 2: Convert to fraction form
    1,928,296.80/2,661,240.42 = 1,069,023.15/x
  3. Step 3: Cross multiply
    1,928,296.80x = 2,661,240.42 × 1,069,023.15
  4. Step 4: Simplify right side
    1,928,296.80x = 2,844,927,616,695.72
  5. Step 5: Solve for x
    x = 2,844,927,616,695.72/1,928,296.80
  6. Step 6: Final answer
    x = 1,475,357.74

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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.