Home / 1,540,945.86-2,127,360.49-929,253.58

Finding the Fourth Proportional to 1,540,945.86, 2,127,360.49 and 929,253.58

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Solution

The fourth proportional to 1,540,945.86, 2,127,360.49 and 929,253.58 is: 1,282,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,945.86 : 2,127,360.49 = 929,253.58 : x
  2. Step 2: Convert to fraction form
    1,540,945.86/2,127,360.49 = 929,253.58/x
  3. Step 3: Cross multiply
    1,540,945.86x = 2,127,360.49 × 929,253.58
  4. Step 4: Simplify right side
    1,540,945.86x = 1,976,857,355,103.82
  5. Step 5: Solve for x
    x = 1,976,857,355,103.82/1,540,945.86
  6. Step 6: Final answer
    x = 1,282,885.66

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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.