Home / 1,616,271.52-2,230,470.48-891,145.12

Finding the Fourth Proportional to 1,616,271.52, 2,230,470.48 and 891,145.12

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Solution

The fourth proportional to 1,616,271.52, 2,230,470.48 and 891,145.12 is: 1,229,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,271.52 : 2,230,470.48 = 891,145.12 : x
  2. Step 2: Convert to fraction form
    1,616,271.52/2,230,470.48 = 891,145.12/x
  3. Step 3: Cross multiply
    1,616,271.52x = 2,230,470.48 × 891,145.12
  4. Step 4: Simplify right side
    1,616,271.52x = 1,987,672,883,556.06
  5. Step 5: Solve for x
    x = 1,987,672,883,556.06/1,616,271.52
  6. Step 6: Final answer
    x = 1,229,788.97

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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.