Home / 1,871,738.80-2,583,317.15-1,056,173.70

Finding the Fourth Proportional to 1,871,738.80, 2,583,317.15 and 1,056,173.70

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Solution

The fourth proportional to 1,871,738.80, 2,583,317.15 and 1,056,173.70 is: 1,457,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,738.80 : 2,583,317.15 = 1,056,173.70 : x
  2. Step 2: Convert to fraction form
    1,871,738.80/2,583,317.15 = 1,056,173.70/x
  3. Step 3: Cross multiply
    1,871,738.80x = 2,583,317.15 × 1,056,173.70
  4. Step 4: Simplify right side
    1,871,738.80x = 2,728,431,632,588.95
  5. Step 5: Solve for x
    x = 2,728,431,632,588.95/1,871,738.80
  6. Step 6: Final answer
    x = 1,457,698.92

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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.