Home / 2,122,070.05-2,928,367.07-1,155,180.25

Finding the Fourth Proportional to 2,122,070.05, 2,928,367.07 and 1,155,180.25

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Solution

The fourth proportional to 2,122,070.05, 2,928,367.07 and 1,155,180.25 is: 1,594,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,070.05 : 2,928,367.07 = 1,155,180.25 : x
  2. Step 2: Convert to fraction form
    2,122,070.05/2,928,367.07 = 1,155,180.25/x
  3. Step 3: Cross multiply
    2,122,070.05x = 2,928,367.07 × 1,155,180.25
  4. Step 4: Simplify right side
    2,122,070.05x = 3,382,791,798,238.47
  5. Step 5: Solve for x
    x = 3,382,791,798,238.47/2,122,070.05
  6. Step 6: Final answer
    x = 1,594,099.97

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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.