Home / 3,931,185.72-5,896,811.40-1,091,519.32

Finding the Fourth Proportional to 3,931,185.72, 5,896,811.40 and 1,091,519.32

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Solution

The fourth proportional to 3,931,185.72, 5,896,811.40 and 1,091,519.32 is: 1,637,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,185.72 : 5,896,811.40 = 1,091,519.32 : x
  2. Step 2: Convert to fraction form
    3,931,185.72/5,896,811.40 = 1,091,519.32/x
  3. Step 3: Cross multiply
    3,931,185.72x = 5,896,811.40 × 1,091,519.32
  4. Step 4: Simplify right side
    3,931,185.72x = 6,436,483,569,496.25
  5. Step 5: Solve for x
    x = 6,436,483,569,496.25/3,931,185.72
  6. Step 6: Final answer
    x = 1,637,288.09

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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.