Home / 2,122,275.30-2,928,757.63-1,155,412.32

Finding the Fourth Proportional to 2,122,275.30, 2,928,757.63 and 1,155,412.32

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Solution

The fourth proportional to 2,122,275.30, 2,928,757.63 and 1,155,412.32 is: 1,594,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,275.30 : 2,928,757.63 = 1,155,412.32 : x
  2. Step 2: Convert to fraction form
    2,122,275.30/2,928,757.63 = 1,155,412.32/x
  3. Step 3: Cross multiply
    2,122,275.30x = 2,928,757.63 × 1,155,412.32
  4. Step 4: Simplify right side
    2,122,275.30x = 3,383,922,647,996.00
  5. Step 5: Solve for x
    x = 3,383,922,647,996.00/2,122,275.30
  6. Step 6: Final answer
    x = 1,594,478.65

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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.