Finding the Fourth Proportional to 1,672,729.08, 2,307,857.58 and 947,461.56
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Solution
The fourth proportional to 1,672,729.08, 2,307,857.58 and 947,461.56 is: 1,307,208.90
Step by Step Solution
- Step 1: Write the proportion equation
1,672,729.08 : 2,307,857.58 = 947,461.56 : x - Step 2: Convert to fraction form
1,672,729.08/2,307,857.58 = 947,461.56/x - Step 3: Cross multiply
1,672,729.08x = 2,307,857.58 × 947,461.56 - Step 4: Simplify right side
1,672,729.08x = 2,186,606,343,004.63 - Step 5: Solve for x
x = 2,186,606,343,004.63/1,672,729.08 - Step 6: Final answer
x = 1,307,208.90
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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.