Home / 1,871,911.36-2,583,238.18-1,056,287.90

Finding the Fourth Proportional to 1,871,911.36, 2,583,238.18 and 1,056,287.90

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Solution

The fourth proportional to 1,871,911.36, 2,583,238.18 and 1,056,287.90 is: 1,457,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,911.36 : 2,583,238.18 = 1,056,287.90 : x
  2. Step 2: Convert to fraction form
    1,871,911.36/2,583,238.18 = 1,056,287.90/x
  3. Step 3: Cross multiply
    1,871,911.36x = 2,583,238.18 × 1,056,287.90
  4. Step 4: Simplify right side
    1,871,911.36x = 2,728,643,232,352.02
  5. Step 5: Solve for x
    x = 2,728,643,232,352.02/1,871,911.36
  6. Step 6: Final answer
    x = 1,457,677.59

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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.