Home / 1,977,630.29-2,729,187.37-1,118,172.09

Finding the Fourth Proportional to 1,977,630.29, 2,729,187.37 and 1,118,172.09

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Solution

The fourth proportional to 1,977,630.29, 2,729,187.37 and 1,118,172.09 is: 1,543,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,630.29 : 2,729,187.37 = 1,118,172.09 : x
  2. Step 2: Convert to fraction form
    1,977,630.29/2,729,187.37 = 1,118,172.09/x
  3. Step 3: Cross multiply
    1,977,630.29x = 2,729,187.37 × 1,118,172.09
  4. Step 4: Simplify right side
    1,977,630.29x = 3,051,701,157,146.67
  5. Step 5: Solve for x
    x = 3,051,701,157,146.67/1,977,630.29
  6. Step 6: Final answer
    x = 1,543,110.04

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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.