Home / 1,979,307.90-2,731,453.65-1,120,035.60

Finding the Fourth Proportional to 1,979,307.90, 2,731,453.65 and 1,120,035.60

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Solution

The fourth proportional to 1,979,307.90, 2,731,453.65 and 1,120,035.60 is: 1,545,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,307.90 : 2,731,453.65 = 1,120,035.60 : x
  2. Step 2: Convert to fraction form
    1,979,307.90/2,731,453.65 = 1,120,035.60/x
  3. Step 3: Cross multiply
    1,979,307.90x = 2,731,453.65 × 1,120,035.60
  4. Step 4: Simplify right side
    1,979,307.90x = 3,059,325,327,749.94
  5. Step 5: Solve for x
    x = 3,059,325,327,749.94/1,979,307.90
  6. Step 6: Final answer
    x = 1,545,654.08

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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.