Finding the Fourth Proportional to 1,672,658.01, 2,308,193.55 and 947,491.05
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Solution
The fourth proportional to 1,672,658.01, 2,308,193.55 and 947,491.05 is: 1,307,495.45
Step by Step Solution
- Step 1: Write the proportion equation
1,672,658.01 : 2,308,193.55 = 947,491.05 : x - Step 2: Convert to fraction form
1,672,658.01/2,308,193.55 = 947,491.05/x - Step 3: Cross multiply
1,672,658.01x = 2,308,193.55 × 947,491.05 - Step 4: Simplify right side
1,672,658.01x = 2,186,992,730,292.73 - Step 5: Solve for x
x = 2,186,992,730,292.73/1,672,658.01 - Step 6: Final answer
x = 1,307,495.45
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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.