Finding the Fourth Proportional to 1,618,879.68, 2,234,057.70 and 893,727.90
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Solution
The fourth proportional to 1,618,879.68, 2,234,057.70 and 893,727.90 is: 1,233,346.57
Step by Step Solution
- Step 1: Write the proportion equation
1,618,879.68 : 2,234,057.70 = 893,727.90 : x - Step 2: Convert to fraction form
1,618,879.68/2,234,057.70 = 893,727.90/x - Step 3: Cross multiply
1,618,879.68x = 2,234,057.70 × 893,727.90 - Step 4: Simplify right side
1,618,879.68x = 1,996,639,696,699.83 - Step 5: Solve for x
x = 1,996,639,696,699.83/1,618,879.68 - Step 6: Final answer
x = 1,233,346.57
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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.