Home / 1,983,831.73-2,732,828.57-1,438,364.77

Finding the Fourth Proportional to 1,983,831.73, 2,732,828.57 and 1,438,364.77

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Solution

The fourth proportional to 1,983,831.73, 2,732,828.57 and 1,438,364.77 is: 1,981,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,831.73 : 2,732,828.57 = 1,438,364.77 : x
  2. Step 2: Convert to fraction form
    1,983,831.73/2,732,828.57 = 1,438,364.77/x
  3. Step 3: Cross multiply
    1,983,831.73x = 2,732,828.57 × 1,438,364.77
  4. Step 4: Simplify right side
    1,983,831.73x = 3,930,804,330,345.66
  5. Step 5: Solve for x
    x = 3,930,804,330,345.66/1,983,831.73
  6. Step 6: Final answer
    x = 1,981,420.23

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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.