Finding the Fourth Proportional to 4,612,559.67, 6,918,865.37 and 1,538,542.06
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Solution
The fourth proportional to 4,612,559.67, 6,918,865.37 and 1,538,542.06 is: 2,307,821.72
Step by Step Solution
- Step 1: Write the proportion equation
4,612,559.67 : 6,918,865.37 = 1,538,542.06 : x - Step 2: Convert to fraction form
4,612,559.67/6,918,865.37 = 1,538,542.06/x - Step 3: Cross multiply
4,612,559.67x = 6,918,865.37 × 1,538,542.06 - Step 4: Simplify right side
4,612,559.67x = 10,644,965,393,985.61 - Step 5: Solve for x
x = 10,644,965,393,985.61/4,612,559.67 - Step 6: Final answer
x = 2,307,821.72
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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.