Home / 1,630,952.21-2,250,777.38-905,855.06

Finding the Fourth Proportional to 1,630,952.21, 2,250,777.38 and 905,855.06

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Solution

The fourth proportional to 1,630,952.21, 2,250,777.38 and 905,855.06 is: 1,250,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,952.21 : 2,250,777.38 = 905,855.06 : x
  2. Step 2: Convert to fraction form
    1,630,952.21/2,250,777.38 = 905,855.06/x
  3. Step 3: Cross multiply
    1,630,952.21x = 2,250,777.38 × 905,855.06
  4. Step 4: Simplify right side
    1,630,952.21x = 2,038,878,079,704.21
  5. Step 5: Solve for x
    x = 2,038,878,079,704.21/1,630,952.21
  6. Step 6: Final answer
    x = 1,250,115.16

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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.