Finding the Fourth Proportional to 7,602,407.51, 10,491,238.80 and 4,117,659.66
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Solution
The fourth proportional to 7,602,407.51, 10,491,238.80 and 4,117,659.66 is: 5,682,325.07
Step by Step Solution
- Step 1: Write the proportion equation
7,602,407.51 : 10,491,238.80 = 4,117,659.66 : x - Step 2: Convert to fraction form
7,602,407.51/10,491,238.80 = 4,117,659.66/x - Step 3: Cross multiply
7,602,407.51x = 10,491,238.80 × 4,117,659.66 - Step 4: Simplify right side
7,602,407.51x = 43,199,350,790,186.81 - Step 5: Solve for x
x = 43,199,350,790,186.81/7,602,407.51 - Step 6: Final answer
x = 5,682,325.07
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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.