Finding the Fourth Proportional to 3,748,808.63, 5,173,737.81 and 2,703,090.08
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Solution
The fourth proportional to 3,748,808.63, 5,173,737.81 and 2,703,090.08 is: 3,730,539.68
Step by Step Solution
- Step 1: Write the proportion equation
3,748,808.63 : 5,173,737.81 = 2,703,090.08 : x - Step 2: Convert to fraction form
3,748,808.63/5,173,737.81 = 2,703,090.08/x - Step 3: Cross multiply
3,748,808.63x = 5,173,737.81 × 2,703,090.08 - Step 4: Simplify right side
3,748,808.63x = 13,985,079,350,731.92 - Step 5: Solve for x
x = 13,985,079,350,731.92/3,748,808.63 - Step 6: Final answer
x = 3,730,539.68
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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.