Home / 1,983,831.23-2,732,827.88-1,438,364.27

Finding the Fourth Proportional to 1,983,831.23, 2,732,827.88 and 1,438,364.27

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Solution

The fourth proportional to 1,983,831.23, 2,732,827.88 and 1,438,364.27 is: 1,981,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,831.23 : 2,732,827.88 = 1,438,364.27 : x
  2. Step 2: Convert to fraction form
    1,983,831.23/2,732,827.88 = 1,438,364.27/x
  3. Step 3: Cross multiply
    1,983,831.23x = 2,732,827.88 × 1,438,364.27
  4. Step 4: Simplify right side
    1,983,831.23x = 3,930,801,971,460.03
  5. Step 5: Solve for x
    x = 3,930,801,971,460.03/1,983,831.23
  6. Step 6: Final answer
    x = 1,981,419.54

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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.