Home / 1,871,858.56-2,800,400.16-1,417,757.91

Finding the Fourth Proportional to 1,871,858.56, 2,800,400.16 and 1,417,757.91

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Solution

The fourth proportional to 1,871,858.56, 2,800,400.16 and 1,417,757.91 is: 2,121,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,858.56 : 2,800,400.16 = 1,417,757.91 : x
  2. Step 2: Convert to fraction form
    1,871,858.56/2,800,400.16 = 1,417,757.91/x
  3. Step 3: Cross multiply
    1,871,858.56x = 2,800,400.16 × 1,417,757.91
  4. Step 4: Simplify right side
    1,871,858.56x = 3,970,289,478,005.27
  5. Step 5: Solve for x
    x = 3,970,289,478,005.27/1,871,858.56
  6. Step 6: Final answer
    x = 2,121,041.39

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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.