Home / 2,615,648.40-3,920,556.60-1,017,680.40

Finding the Fourth Proportional to 2,615,648.40, 3,920,556.60 and 1,017,680.40

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Solution

The fourth proportional to 2,615,648.40, 3,920,556.60 and 1,017,680.40 is: 1,525,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,648.40 : 3,920,556.60 = 1,017,680.40 : x
  2. Step 2: Convert to fraction form
    2,615,648.40/3,920,556.60 = 1,017,680.40/x
  3. Step 3: Cross multiply
    2,615,648.40x = 3,920,556.60 × 1,017,680.40
  4. Step 4: Simplify right side
    2,615,648.40x = 3,989,873,608,910.64
  5. Step 5: Solve for x
    x = 3,989,873,608,910.64/2,615,648.40
  6. Step 6: Final answer
    x = 1,525,386.06

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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.