Finding the Fourth Proportional to 1,608,691.05, 2,219,453.54 and 910,876.68
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Solution
The fourth proportional to 1,608,691.05, 2,219,453.54 and 910,876.68 is: 1,256,703.99
Step by Step Solution
- Step 1: Write the proportion equation
1,608,691.05 : 2,219,453.54 = 910,876.68 : x - Step 2: Convert to fraction form
1,608,691.05/2,219,453.54 = 910,876.68/x - Step 3: Cross multiply
1,608,691.05x = 2,219,453.54 × 910,876.68 - Step 4: Simplify right side
1,608,691.05x = 2,021,648,467,375.06 - Step 5: Solve for x
x = 2,021,648,467,375.06/1,608,691.05 - Step 6: Final answer
x = 1,256,703.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.