Home / 1,914,107.42-2,641,654.38-1,429,831.81

Finding the Fourth Proportional to 1,914,107.42, 2,641,654.38 and 1,429,831.81

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Solution

The fourth proportional to 1,914,107.42, 2,641,654.38 and 1,429,831.81 is: 1,973,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,107.42 : 2,641,654.38 = 1,429,831.81 : x
  2. Step 2: Convert to fraction form
    1,914,107.42/2,641,654.38 = 1,429,831.81/x
  3. Step 3: Cross multiply
    1,914,107.42x = 2,641,654.38 × 1,429,831.81
  4. Step 4: Simplify right side
    1,914,107.42x = 3,777,121,463,549.83
  5. Step 5: Solve for x
    x = 3,777,121,463,549.83/1,914,107.42
  6. Step 6: Final answer
    x = 1,973,306.94

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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.