Home / 1,871,905.54-2,808,168.72-657,166.90

Finding the Fourth Proportional to 1,871,905.54, 2,808,168.72 and 657,166.90

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Solution

The fourth proportional to 1,871,905.54, 2,808,168.72 and 657,166.90 is: 985,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,905.54 : 2,808,168.72 = 657,166.90 : x
  2. Step 2: Convert to fraction form
    1,871,905.54/2,808,168.72 = 657,166.90/x
  3. Step 3: Cross multiply
    1,871,905.54x = 2,808,168.72 × 657,166.90
  4. Step 4: Simplify right side
    1,871,905.54x = 1,845,435,532,399.37
  5. Step 5: Solve for x
    x = 1,845,435,532,399.37/1,871,905.54
  6. Step 6: Final answer
    x = 985,859.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.