Home / 2,133,160.79-3,199,390.85-918,410.37

Finding the Fourth Proportional to 2,133,160.79, 3,199,390.85 and 918,410.37

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Solution

The fourth proportional to 2,133,160.79, 3,199,390.85 and 918,410.37 is: 1,377,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,160.79 : 3,199,390.85 = 918,410.37 : x
  2. Step 2: Convert to fraction form
    2,133,160.79/3,199,390.85 = 918,410.37/x
  3. Step 3: Cross multiply
    2,133,160.79x = 3,199,390.85 × 918,410.37
  4. Step 4: Simplify right side
    2,133,160.79x = 2,938,353,729,731.06
  5. Step 5: Solve for x
    x = 2,938,353,729,731.06/2,133,160.79
  6. Step 6: Final answer
    x = 1,377,464.72

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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.