Home / 2,685,013.86-4,026,905.34-765,888.54

Finding the Fourth Proportional to 2,685,013.86, 4,026,905.34 and 765,888.54

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Solution

The fourth proportional to 2,685,013.86, 4,026,905.34 and 765,888.54 is: 1,148,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,013.86 : 4,026,905.34 = 765,888.54 : x
  2. Step 2: Convert to fraction form
    2,685,013.86/4,026,905.34 = 765,888.54/x
  3. Step 3: Cross multiply
    2,685,013.86x = 4,026,905.34 × 765,888.54
  4. Step 4: Simplify right side
    2,685,013.86x = 3,084,160,651,570.80
  5. Step 5: Solve for x
    x = 3,084,160,651,570.80/2,685,013.86
  6. Step 6: Final answer
    x = 1,148,657.26

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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.