Finding the Fourth Proportional to 2,136,957.12, 3,205,603.08 and 620,665.20
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Solution
The fourth proportional to 2,136,957.12, 3,205,603.08 and 620,665.20 is: 931,046.42
Step by Step Solution
- Step 1: Write the proportion equation
2,136,957.12 : 3,205,603.08 = 620,665.20 : x - Step 2: Convert to fraction form
2,136,957.12/3,205,603.08 = 620,665.20/x - Step 3: Cross multiply
2,136,957.12x = 3,205,603.08 × 620,665.20 - Step 4: Simplify right side
2,136,957.12x = 1,989,606,276,768.82 - Step 5: Solve for x
x = 1,989,606,276,768.82/2,136,957.12 - Step 6: Final answer
x = 931,046.42
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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.