Finding the Fourth Proportional to 3,721,855.08, 5,137,273.82 and 2,173,534.41
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Solution
The fourth proportional to 3,721,855.08, 5,137,273.82 and 2,173,534.41 is: 3,000,127.94
Step by Step Solution
- Step 1: Write the proportion equation
3,721,855.08 : 5,137,273.82 = 2,173,534.41 : x - Step 2: Convert to fraction form
3,721,855.08/5,137,273.82 = 2,173,534.41/x - Step 3: Cross multiply
3,721,855.08x = 5,137,273.82 × 2,173,534.41 - Step 4: Simplify right side
3,721,855.08x = 11,166,041,421,362.15 - Step 5: Solve for x
x = 11,166,041,421,362.15/3,721,855.08 - Step 6: Final answer
x = 3,000,127.94
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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.