Home / 2,101,889.47-2,900,616.33-1,184,129.62

Finding the Fourth Proportional to 2,101,889.47, 2,900,616.33 and 1,184,129.62

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Solution

The fourth proportional to 2,101,889.47, 2,900,616.33 and 1,184,129.62 is: 1,634,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,889.47 : 2,900,616.33 = 1,184,129.62 : x
  2. Step 2: Convert to fraction form
    2,101,889.47/2,900,616.33 = 1,184,129.62/x
  3. Step 3: Cross multiply
    2,101,889.47x = 2,900,616.33 × 1,184,129.62
  4. Step 4: Simplify right side
    2,101,889.47x = 3,434,705,712,608.70
  5. Step 5: Solve for x
    x = 3,434,705,712,608.70/2,101,889.47
  6. Step 6: Final answer
    x = 1,634,103.87

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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.