Home / 1,871,738.30-2,583,316.46-1,056,173.20

Finding the Fourth Proportional to 1,871,738.30, 2,583,316.46 and 1,056,173.20

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Solution

The fourth proportional to 1,871,738.30, 2,583,316.46 and 1,056,173.20 is: 1,457,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,738.30 : 2,583,316.46 = 1,056,173.20 : x
  2. Step 2: Convert to fraction form
    1,871,738.30/2,583,316.46 = 1,056,173.20/x
  3. Step 3: Cross multiply
    1,871,738.30x = 2,583,316.46 × 1,056,173.20
  4. Step 4: Simplify right side
    1,871,738.30x = 2,728,429,612,170.87
  5. Step 5: Solve for x
    x = 2,728,429,612,170.87/1,871,738.30
  6. Step 6: Final answer
    x = 1,457,698.23

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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.