Home / 1,912,179.04-2,638,706.91-1,052,571.40

Finding the Fourth Proportional to 1,912,179.04, 2,638,706.91 and 1,052,571.40

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Solution

The fourth proportional to 1,912,179.04, 2,638,706.91 and 1,052,571.40 is: 1,452,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,179.04 : 2,638,706.91 = 1,052,571.40 : x
  2. Step 2: Convert to fraction form
    1,912,179.04/2,638,706.91 = 1,052,571.40/x
  3. Step 3: Cross multiply
    1,912,179.04x = 2,638,706.91 × 1,052,571.40
  4. Step 4: Simplify right side
    1,912,179.04x = 2,777,427,426,448.37
  5. Step 5: Solve for x
    x = 2,777,427,426,448.37/1,912,179.04
  6. Step 6: Final answer
    x = 1,452,493.40

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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.