Home / 2,379,209.04-3,283,219.44-1,291,457.20

Finding the Fourth Proportional to 2,379,209.04, 3,283,219.44 and 1,291,457.20

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Solution

The fourth proportional to 2,379,209.04, 3,283,219.44 and 1,291,457.20 is: 1,782,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,209.04 : 3,283,219.44 = 1,291,457.20 : x
  2. Step 2: Convert to fraction form
    2,379,209.04/3,283,219.44 = 1,291,457.20/x
  3. Step 3: Cross multiply
    2,379,209.04x = 3,283,219.44 × 1,291,457.20
  4. Step 4: Simplify right side
    2,379,209.04x = 4,240,137,384,967.97
  5. Step 5: Solve for x
    x = 4,240,137,384,967.97/2,379,209.04
  6. Step 6: Final answer
    x = 1,782,162.61

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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.