Finding the Fourth Proportional to 1,618,998.16, 2,234,172.99 and 893,832.70
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Solution
The fourth proportional to 1,618,998.16, 2,234,172.99 and 893,832.70 is: 1,233,464.57
Step by Step Solution
- Step 1: Write the proportion equation
1,618,998.16 : 2,234,172.99 = 893,832.70 : x - Step 2: Convert to fraction form
1,618,998.16/2,234,172.99 = 893,832.70/x - Step 3: Cross multiply
1,618,998.16x = 2,234,172.99 × 893,832.70 - Step 4: Simplify right side
1,618,998.16x = 1,996,976,878,711.49 - Step 5: Solve for x
x = 1,996,976,878,711.49/1,618,998.16 - Step 6: Final answer
x = 1,233,464.57
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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.