Home / 2,121,984.95-2,928,339.54-1,155,122.57

Finding the Fourth Proportional to 2,121,984.95, 2,928,339.54 and 1,155,122.57

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Solution

The fourth proportional to 2,121,984.95, 2,928,339.54 and 1,155,122.57 is: 1,594,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,984.95 : 2,928,339.54 = 1,155,122.57 : x
  2. Step 2: Convert to fraction form
    2,121,984.95/2,928,339.54 = 1,155,122.57/x
  3. Step 3: Cross multiply
    2,121,984.95x = 2,928,339.54 × 1,155,122.57
  4. Step 4: Simplify right side
    2,121,984.95x = 3,382,591,102,598.27
  5. Step 5: Solve for x
    x = 3,382,591,102,598.27/2,121,984.95
  6. Step 6: Final answer
    x = 1,594,069.32

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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.