Home / 1,899,285.57-2,621,012.88-1,039,845.60

Finding the Fourth Proportional to 1,899,285.57, 2,621,012.88 and 1,039,845.60

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Solution

The fourth proportional to 1,899,285.57, 2,621,012.88 and 1,039,845.60 is: 1,434,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,285.57 : 2,621,012.88 = 1,039,845.60 : x
  2. Step 2: Convert to fraction form
    1,899,285.57/2,621,012.88 = 1,039,845.60/x
  3. Step 3: Cross multiply
    1,899,285.57x = 2,621,012.88 × 1,039,845.60
  4. Step 4: Simplify right side
    1,899,285.57x = 2,725,448,714,710.75
  5. Step 5: Solve for x
    x = 2,725,448,714,710.75/1,899,285.57
  6. Step 6: Final answer
    x = 1,434,986.27

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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.