Home / 2,311,760.66-3,190,870.86-1,345,077.68

Finding the Fourth Proportional to 2,311,760.66, 3,190,870.86 and 1,345,077.68

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Solution

The fourth proportional to 2,311,760.66, 3,190,870.86 and 1,345,077.68 is: 1,856,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,760.66 : 3,190,870.86 = 1,345,077.68 : x
  2. Step 2: Convert to fraction form
    2,311,760.66/3,190,870.86 = 1,345,077.68/x
  3. Step 3: Cross multiply
    2,311,760.66x = 3,190,870.86 × 1,345,077.68
  4. Step 4: Simplify right side
    2,311,760.66x = 4,291,969,173,548.40
  5. Step 5: Solve for x
    x = 4,291,969,173,548.40/2,311,760.66
  6. Step 6: Final answer
    x = 1,856,580.25

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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.