Home / 3,201,509.10-4,800,708.45-1,780,056.30

Finding the Fourth Proportional to 3,201,509.10, 4,800,708.45 and 1,780,056.30

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Solution

The fourth proportional to 3,201,509.10, 4,800,708.45 and 1,780,056.30 is: 2,669,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,509.10 : 4,800,708.45 = 1,780,056.30 : x
  2. Step 2: Convert to fraction form
    3,201,509.10/4,800,708.45 = 1,780,056.30/x
  3. Step 3: Cross multiply
    3,201,509.10x = 4,800,708.45 × 1,780,056.30
  4. Step 4: Simplify right side
    3,201,509.10x = 8,545,531,320,885.74
  5. Step 5: Solve for x
    x = 8,545,531,320,885.74/3,201,509.10
  6. Step 6: Final answer
    x = 2,669,219.75

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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.