Home / 1,650,161.64-2,277,182.16-915,111.72

Finding the Fourth Proportional to 1,650,161.64, 2,277,182.16 and 915,111.72

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Solution

The fourth proportional to 1,650,161.64, 2,277,182.16 and 915,111.72 is: 1,262,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,161.64 : 2,277,182.16 = 915,111.72 : x
  2. Step 2: Convert to fraction form
    1,650,161.64/2,277,182.16 = 915,111.72/x
  3. Step 3: Cross multiply
    1,650,161.64x = 2,277,182.16 × 915,111.72
  4. Step 4: Simplify right side
    1,650,161.64x = 2,083,876,083,190.92
  5. Step 5: Solve for x
    x = 2,083,876,083,190.92/1,650,161.64
  6. Step 6: Final answer
    x = 1,262,831.49

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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.