Home / 2,190,136.59-3,280,622.22-1,761,354.63

Finding the Fourth Proportional to 2,190,136.59, 3,280,622.22 and 1,761,354.63

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Solution

The fourth proportional to 2,190,136.59, 3,280,622.22 and 1,761,354.63 is: 2,638,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,136.59 : 3,280,622.22 = 1,761,354.63 : x
  2. Step 2: Convert to fraction form
    2,190,136.59/3,280,622.22 = 1,761,354.63/x
  3. Step 3: Cross multiply
    2,190,136.59x = 3,280,622.22 × 1,761,354.63
  4. Step 4: Simplify right side
    2,190,136.59x = 5,778,339,136,477.88
  5. Step 5: Solve for x
    x = 5,778,339,136,477.88/2,190,136.59
  6. Step 6: Final answer
    x = 2,638,346.47

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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.