Finding the Fourth Proportional to 1,691,732.34, 2,334,658.05 and 927,813.78
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Solution
The fourth proportional to 1,691,732.34, 2,334,658.05 and 927,813.78 is: 1,280,419.99
Step by Step Solution
- Step 1: Write the proportion equation
1,691,732.34 : 2,334,658.05 = 927,813.78 : x - Step 2: Convert to fraction form
1,691,732.34/2,334,658.05 = 927,813.78/x - Step 3: Cross multiply
1,691,732.34x = 2,334,658.05 × 927,813.78 - Step 4: Simplify right side
1,691,732.34x = 2,166,127,910,377.93 - Step 5: Solve for x
x = 2,166,127,910,377.93/1,691,732.34 - Step 6: Final answer
x = 1,280,419.99
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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.