Home / 1,913,224.59-2,640,369.69-1,053,784.62

Finding the Fourth Proportional to 1,913,224.59, 2,640,369.69 and 1,053,784.62

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Solution

The fourth proportional to 1,913,224.59, 2,640,369.69 and 1,053,784.62 is: 1,454,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,224.59 : 2,640,369.69 = 1,053,784.62 : x
  2. Step 2: Convert to fraction form
    1,913,224.59/2,640,369.69 = 1,053,784.62/x
  3. Step 3: Cross multiply
    1,913,224.59x = 2,640,369.69 × 1,053,784.62
  4. Step 4: Simplify right side
    1,913,224.59x = 2,782,380,970,436.17
  5. Step 5: Solve for x
    x = 2,782,380,970,436.17/1,913,224.59
  6. Step 6: Final answer
    x = 1,454,288.74

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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.