Home / 1,915,584.31-2,643,523.46-1,056,175.39

Finding the Fourth Proportional to 1,915,584.31, 2,643,523.46 and 1,056,175.39

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Solution

The fourth proportional to 1,915,584.31, 2,643,523.46 and 1,056,175.39 is: 1,457,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,584.31 : 2,643,523.46 = 1,056,175.39 : x
  2. Step 2: Convert to fraction form
    1,915,584.31/2,643,523.46 = 1,056,175.39/x
  3. Step 3: Cross multiply
    1,915,584.31x = 2,643,523.46 × 1,056,175.39
  4. Step 4: Simplify right side
    1,915,584.31x = 2,792,024,421,339.65
  5. Step 5: Solve for x
    x = 2,792,024,421,339.65/1,915,584.31
  6. Step 6: Final answer
    x = 1,457,531.47

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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.