Home / 1,815,750.90-2,505,956.40-1,090,979.10

Finding the Fourth Proportional to 1,815,750.90, 2,505,956.40 and 1,090,979.10

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Solution

The fourth proportional to 1,815,750.90, 2,505,956.40 and 1,090,979.10 is: 1,505,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,750.90 : 2,505,956.40 = 1,090,979.10 : x
  2. Step 2: Convert to fraction form
    1,815,750.90/2,505,956.40 = 1,090,979.10/x
  3. Step 3: Cross multiply
    1,815,750.90x = 2,505,956.40 × 1,090,979.10
  4. Step 4: Simplify right side
    1,815,750.90x = 2,733,946,057,911.24
  5. Step 5: Solve for x
    x = 2,733,946,057,911.24/1,815,750.90
  6. Step 6: Final answer
    x = 1,505,683.44

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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.