Home / 1,915,586.56-2,643,526.56-1,056,177.64

Finding the Fourth Proportional to 1,915,586.56, 2,643,526.56 and 1,056,177.64

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Solution

The fourth proportional to 1,915,586.56, 2,643,526.56 and 1,056,177.64 is: 1,457,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,586.56 : 2,643,526.56 = 1,056,177.64 : x
  2. Step 2: Convert to fraction form
    1,915,586.56/2,643,526.56 = 1,056,177.64/x
  3. Step 3: Cross multiply
    1,915,586.56x = 2,643,526.56 × 1,056,177.64
  4. Step 4: Simplify right side
    1,915,586.56x = 2,792,033,643,418.12
  5. Step 5: Solve for x
    x = 2,792,033,643,418.12/1,915,586.56
  6. Step 6: Final answer
    x = 1,457,534.58

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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.