Home / 1,985,245.08-2,739,881.43-1,169,406.60

Finding the Fourth Proportional to 1,985,245.08, 2,739,881.43 and 1,169,406.60

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Solution

The fourth proportional to 1,985,245.08, 2,739,881.43 and 1,169,406.60 is: 1,613,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,245.08 : 2,739,881.43 = 1,169,406.60 : x
  2. Step 2: Convert to fraction form
    1,985,245.08/2,739,881.43 = 1,169,406.60/x
  3. Step 3: Cross multiply
    1,985,245.08x = 2,739,881.43 × 1,169,406.60
  4. Step 4: Simplify right side
    1,985,245.08x = 3,204,035,427,459.44
  5. Step 5: Solve for x
    x = 3,204,035,427,459.44/1,985,245.08
  6. Step 6: Final answer
    x = 1,613,924.38

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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.