Finding the Fourth Proportional to 5,734,705.47, 7,913,893.11 and 3,121,228.29
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Solution
The fourth proportional to 5,734,705.47, 7,913,893.11 and 3,121,228.29 is: 4,307,294.80
Step by Step Solution
- Step 1: Write the proportion equation
5,734,705.47 : 7,913,893.11 = 3,121,228.29 : x - Step 2: Convert to fraction form
5,734,705.47/7,913,893.11 = 3,121,228.29/x - Step 3: Cross multiply
5,734,705.47x = 7,913,893.11 × 3,121,228.29 - Step 4: Simplify right side
5,734,705.47x = 24,701,067,058,968.08 - Step 5: Solve for x
x = 24,701,067,058,968.08/5,734,705.47 - Step 6: Final answer
x = 4,307,294.80
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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.