Home / 2,992,626.95-4,121,126.78-2,599,978.32

Finding the Fourth Proportional to 2,992,626.95, 4,121,126.78 and 2,599,978.32

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Solution

The fourth proportional to 2,992,626.95, 4,121,126.78 and 2,599,978.32 is: 3,580,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,626.95 : 4,121,126.78 = 2,599,978.32 : x
  2. Step 2: Convert to fraction form
    2,992,626.95/4,121,126.78 = 2,599,978.32/x
  3. Step 3: Cross multiply
    2,992,626.95x = 4,121,126.78 × 2,599,978.32
  4. Step 4: Simplify right side
    2,992,626.95x = 10,714,840,268,971.52
  5. Step 5: Solve for x
    x = 10,714,840,268,971.52/2,992,626.95
  6. Step 6: Final answer
    x = 3,580,412.95

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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.