Finding the Fourth Proportional to 5,164,209.51, 7,126,466.04 and 2,809,329.18
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Solution
The fourth proportional to 5,164,209.51, 7,126,466.04 and 2,809,329.18 is: 3,876,796.43
Step by Step Solution
- Step 1: Write the proportion equation
5,164,209.51 : 7,126,466.04 = 2,809,329.18 : x - Step 2: Convert to fraction form
5,164,209.51/7,126,466.04 = 2,809,329.18/x - Step 3: Cross multiply
5,164,209.51x = 7,126,466.04 × 2,809,329.18 - Step 4: Simplify right side
5,164,209.51x = 20,020,588,996,451.05 - Step 5: Solve for x
x = 20,020,588,996,451.05/5,164,209.51 - Step 6: Final answer
x = 3,876,796.43
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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.