Home / 2,122,173.54-2,928,636.90-1,155,331.62

Finding the Fourth Proportional to 2,122,173.54, 2,928,636.90 and 1,155,331.62

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Solution

The fourth proportional to 2,122,173.54, 2,928,636.90 and 1,155,331.62 is: 1,594,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,173.54 : 2,928,636.90 = 1,155,331.62 : x
  2. Step 2: Convert to fraction form
    2,122,173.54/2,928,636.90 = 1,155,331.62/x
  3. Step 3: Cross multiply
    2,122,173.54x = 2,928,636.90 × 1,155,331.62
  4. Step 4: Simplify right side
    2,122,173.54x = 3,383,546,814,068.78
  5. Step 5: Solve for x
    x = 3,383,546,814,068.78/2,122,173.54
  6. Step 6: Final answer
    x = 1,594,378.00

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1.5x scale

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.