Home / 3,076,418.81-4,245,543.54-1,699,851.21

Finding the Fourth Proportional to 3,076,418.81, 4,245,543.54 and 1,699,851.21

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Solution

The fourth proportional to 3,076,418.81, 4,245,543.54 and 1,699,851.21 is: 2,345,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,418.81 : 4,245,543.54 = 1,699,851.21 : x
  2. Step 2: Convert to fraction form
    3,076,418.81/4,245,543.54 = 1,699,851.21/x
  3. Step 3: Cross multiply
    3,076,418.81x = 4,245,543.54 × 1,699,851.21
  4. Step 4: Simplify right side
    3,076,418.81x = 7,216,792,323,576.68
  5. Step 5: Solve for x
    x = 7,216,792,323,576.68/3,076,418.81
  6. Step 6: Final answer
    x = 2,345,841.96

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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.