Home / 2,119,620.96-3,185,855.01-1,402,408.89

Finding the Fourth Proportional to 2,119,620.96, 3,185,855.01 and 1,402,408.89

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Solution

The fourth proportional to 2,119,620.96, 3,185,855.01 and 1,402,408.89 is: 2,107,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,620.96 : 3,185,855.01 = 1,402,408.89 : x
  2. Step 2: Convert to fraction form
    2,119,620.96/3,185,855.01 = 1,402,408.89/x
  3. Step 3: Cross multiply
    2,119,620.96x = 3,185,855.01 × 1,402,408.89
  4. Step 4: Simplify right side
    2,119,620.96x = 4,467,871,388,275.04
  5. Step 5: Solve for x
    x = 4,467,871,388,275.04/2,119,620.96
  6. Step 6: Final answer
    x = 2,107,863.37

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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.