Finding the Fourth Proportional to 3,941,365.12, 5,439,242.06 and 2,199,186.68
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Solution
The fourth proportional to 3,941,365.12, 5,439,242.06 and 2,199,186.68 is: 3,034,965.89
Step by Step Solution
- Step 1: Write the proportion equation
3,941,365.12 : 5,439,242.06 = 2,199,186.68 : x - Step 2: Convert to fraction form
3,941,365.12/5,439,242.06 = 2,199,186.68/x - Step 3: Cross multiply
3,941,365.12x = 5,439,242.06 × 2,199,186.68 - Step 4: Simplify right side
3,941,365.12x = 11,961,908,687,647.76 - Step 5: Solve for x
x = 11,961,908,687,647.76/3,941,365.12 - Step 6: Final answer
x = 3,034,965.89
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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.