Finding the Fourth Proportional to 1,625,648.20, 2,440,805.10 and 917,060.20
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Solution
The fourth proportional to 1,625,648.20, 2,440,805.10 and 917,060.20 is: 1,376,906.28
Step by Step Solution
- Step 1: Write the proportion equation
1,625,648.20 : 2,440,805.10 = 917,060.20 : x - Step 2: Convert to fraction form
1,625,648.20/2,440,805.10 = 917,060.20/x - Step 3: Cross multiply
1,625,648.20x = 2,440,805.10 × 917,060.20 - Step 4: Simplify right side
1,625,648.20x = 2,238,365,213,167.02 - Step 5: Solve for x
x = 2,238,365,213,167.02/1,625,648.20 - Step 6: Final answer
x = 1,376,906.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.