Home / 1,913,197.86-2,640,332.70-1,053,757.89

Finding the Fourth Proportional to 1,913,197.86, 2,640,332.70 and 1,053,757.89

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Solution

The fourth proportional to 1,913,197.86, 2,640,332.70 and 1,053,757.89 is: 1,454,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,197.86 : 2,640,332.70 = 1,053,757.89 : x
  2. Step 2: Convert to fraction form
    1,913,197.86/2,640,332.70 = 1,053,757.89/x
  3. Step 3: Cross multiply
    1,913,197.86x = 2,640,332.70 × 1,053,757.89
  4. Step 4: Simplify right side
    1,913,197.86x = 2,782,271,414,850.00
  5. Step 5: Solve for x
    x = 2,782,271,414,850.00/1,913,197.86
  6. Step 6: Final answer
    x = 1,454,251.79

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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.