Home / 1,664,939.61-2,297,622.42-900,992.97

Finding the Fourth Proportional to 1,664,939.61, 2,297,622.42 and 900,992.97

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Solution

The fourth proportional to 1,664,939.61, 2,297,622.42 and 900,992.97 is: 1,243,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,939.61 : 2,297,622.42 = 900,992.97 : x
  2. Step 2: Convert to fraction form
    1,664,939.61/2,297,622.42 = 900,992.97/x
  3. Step 3: Cross multiply
    1,664,939.61x = 2,297,622.42 × 900,992.97
  4. Step 4: Simplify right side
    1,664,939.61x = 2,070,141,648,134.39
  5. Step 5: Solve for x
    x = 2,070,141,648,134.39/1,664,939.61
  6. Step 6: Final answer
    x = 1,243,373.41

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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.