Home / 1,915,588.56-2,643,529.32-1,056,179.64

Finding the Fourth Proportional to 1,915,588.56, 2,643,529.32 and 1,056,179.64

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Solution

The fourth proportional to 1,915,588.56, 2,643,529.32 and 1,056,179.64 is: 1,457,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,588.56 : 2,643,529.32 = 1,056,179.64 : x
  2. Step 2: Convert to fraction form
    1,915,588.56/2,643,529.32 = 1,056,179.64/x
  3. Step 3: Cross multiply
    1,915,588.56x = 2,643,529.32 × 1,056,179.64
  4. Step 4: Simplify right side
    1,915,588.56x = 2,792,041,845,527.04
  5. Step 5: Solve for x
    x = 2,792,041,845,527.04/1,915,588.56
  6. Step 6: Final answer
    x = 1,457,537.34

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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.