Finding the Fourth Proportional to 3,762,186.36, 5,193,402.51 and 2,540,145.42
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Solution
The fourth proportional to 3,762,186.36, 5,193,402.51 and 2,540,145.42 is: 3,506,471.06
Step by Step Solution
- Step 1: Write the proportion equation
3,762,186.36 : 5,193,402.51 = 2,540,145.42 : x - Step 2: Convert to fraction form
3,762,186.36/5,193,402.51 = 2,540,145.42/x - Step 3: Cross multiply
3,762,186.36x = 5,193,402.51 × 2,540,145.42 - Step 4: Simplify right side
3,762,186.36x = 13,191,997,599,993.00 - Step 5: Solve for x
x = 13,191,997,599,993.00/3,762,186.36 - Step 6: Final answer
x = 3,506,471.06
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1.5x scale
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.