Home / 2,616,556.40-3,921,918.60-1,018,588.40

Finding the Fourth Proportional to 2,616,556.40, 3,921,918.60 and 1,018,588.40

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Solution

The fourth proportional to 2,616,556.40, 3,921,918.60 and 1,018,588.40 is: 1,526,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,556.40 : 3,921,918.60 = 1,018,588.40 : x
  2. Step 2: Convert to fraction form
    2,616,556.40/3,921,918.60 = 1,018,588.40/x
  3. Step 3: Cross multiply
    2,616,556.40x = 3,921,918.60 × 1,018,588.40
  4. Step 4: Simplify right side
    2,616,556.40x = 3,994,820,791,704.24
  5. Step 5: Solve for x
    x = 3,994,820,791,704.24/2,616,556.40
  6. Step 6: Final answer
    x = 1,526,747.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.