Home / 1,913,224.86-2,640,369.99-1,053,784.92

Finding the Fourth Proportional to 1,913,224.86, 2,640,369.99 and 1,053,784.92

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Solution

The fourth proportional to 1,913,224.86, 2,640,369.99 and 1,053,784.92 is: 1,454,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,224.86 : 2,640,369.99 = 1,053,784.92 : x
  2. Step 2: Convert to fraction form
    1,913,224.86/2,640,369.99 = 1,053,784.92/x
  3. Step 3: Cross multiply
    1,913,224.86x = 2,640,369.99 × 1,053,784.92
  4. Step 4: Simplify right side
    1,913,224.86x = 2,782,382,078,682.55
  5. Step 5: Solve for x
    x = 2,782,382,078,682.55/1,913,224.86
  6. Step 6: Final answer
    x = 1,454,289.11

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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.