Home / 1,686,832.30-2,530,831.65-1,628,512.30

Finding the Fourth Proportional to 1,686,832.30, 2,530,831.65 and 1,628,512.30

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Solution

The fourth proportional to 1,686,832.30, 2,530,831.65 and 1,628,512.30 is: 2,443,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,832.30 : 2,530,831.65 = 1,628,512.30 : x
  2. Step 2: Convert to fraction form
    1,686,832.30/2,530,831.65 = 1,628,512.30/x
  3. Step 3: Cross multiply
    1,686,832.30x = 2,530,831.65 × 1,628,512.30
  4. Step 4: Simplify right side
    1,686,832.30x = 4,121,490,471,254.30
  5. Step 5: Solve for x
    x = 4,121,490,471,254.30/1,686,832.30
  6. Step 6: Final answer
    x = 2,443,331.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.