Home / 3,721,420.66-5,136,115.86-2,271,956.32

Finding the Fourth Proportional to 3,721,420.66, 5,136,115.86 and 2,271,956.32

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Solution

The fourth proportional to 3,721,420.66, 5,136,115.86 and 2,271,956.32 is: 3,135,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,420.66 : 5,136,115.86 = 2,271,956.32 : x
  2. Step 2: Convert to fraction form
    3,721,420.66/5,136,115.86 = 2,271,956.32/x
  3. Step 3: Cross multiply
    3,721,420.66x = 5,136,115.86 × 2,271,956.32
  4. Step 4: Simplify right side
    3,721,420.66x = 11,669,030,888,379.23
  5. Step 5: Solve for x
    x = 11,669,030,888,379.23/3,721,420.66
  6. Step 6: Final answer
    x = 3,135,638.77

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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.