Home / 1,899,352.80-2,621,107.20-1,039,913.28

Finding the Fourth Proportional to 1,899,352.80, 2,621,107.20 and 1,039,913.28

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Solution

The fourth proportional to 1,899,352.80, 2,621,107.20 and 1,039,913.28 is: 1,435,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,352.80 : 2,621,107.20 = 1,039,913.28 : x
  2. Step 2: Convert to fraction form
    1,899,352.80/2,621,107.20 = 1,039,913.28/x
  3. Step 3: Cross multiply
    1,899,352.80x = 2,621,107.20 × 1,039,913.28
  4. Step 4: Simplify right side
    1,899,352.80x = 2,725,724,185,583.62
  5. Step 5: Solve for x
    x = 2,725,724,185,583.62/1,899,352.80
  6. Step 6: Final answer
    x = 1,435,080.51

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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.