Home / 2,013,489.09-2,778,615.41-1,108,071.09

Finding the Fourth Proportional to 2,013,489.09, 2,778,615.41 and 1,108,071.09

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Solution

The fourth proportional to 2,013,489.09, 2,778,615.41 and 1,108,071.09 is: 1,529,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,489.09 : 2,778,615.41 = 1,108,071.09 : x
  2. Step 2: Convert to fraction form
    2,013,489.09/2,778,615.41 = 1,108,071.09/x
  3. Step 3: Cross multiply
    2,013,489.09x = 2,778,615.41 × 1,108,071.09
  4. Step 4: Simplify right side
    2,013,489.09x = 3,078,903,406,049.50
  5. Step 5: Solve for x
    x = 3,078,903,406,049.50/2,013,489.09
  6. Step 6: Final answer
    x = 1,529,138.36

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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.