Home / 3,939,454.50-5,436,865.77-2,309,232.06

Finding the Fourth Proportional to 3,939,454.50, 5,436,865.77 and 2,309,232.06

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Solution

The fourth proportional to 3,939,454.50, 5,436,865.77 and 2,309,232.06 is: 3,186,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,454.50 : 5,436,865.77 = 2,309,232.06 : x
  2. Step 2: Convert to fraction form
    3,939,454.50/5,436,865.77 = 2,309,232.06/x
  3. Step 3: Cross multiply
    3,939,454.50x = 5,436,865.77 × 2,309,232.06
  4. Step 4: Simplify right side
    3,939,454.50x = 12,554,984,742,000.59
  5. Step 5: Solve for x
    x = 12,554,984,742,000.59/3,939,454.50
  6. Step 6: Final answer
    x = 3,186,985.59

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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.