Finding the Fourth Proportional to 1,672,201.44, 2,307,662.64 and 947,031.12
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Solution
The fourth proportional to 1,672,201.44, 2,307,662.64 and 947,031.12 is: 1,306,916.91
Step by Step Solution
- Step 1: Write the proportion equation
1,672,201.44 : 2,307,662.64 = 947,031.12 : x - Step 2: Convert to fraction form
1,672,201.44/2,307,662.64 = 947,031.12/x - Step 3: Cross multiply
1,672,201.44x = 2,307,662.64 × 947,031.12 - Step 4: Simplify right side
1,672,201.44x = 2,185,428,334,541.36 - Step 5: Solve for x
x = 2,185,428,334,541.36/1,672,201.44 - Step 6: Final answer
x = 1,306,916.91
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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.