Finding the Fourth Proportional to 1,723,215.62, 2,378,356.43 and 998,063.12
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Solution
The fourth proportional to 1,723,215.62, 2,378,356.43 and 998,063.12 is: 1,377,511.79
Step by Step Solution
- Step 1: Write the proportion equation
1,723,215.62 : 2,378,356.43 = 998,063.12 : x - Step 2: Convert to fraction form
1,723,215.62/2,378,356.43 = 998,063.12/x - Step 3: Cross multiply
1,723,215.62x = 2,378,356.43 × 998,063.12 - Step 4: Simplify right side
1,723,215.62x = 2,373,749,826,575.18 - Step 5: Solve for x
x = 2,373,749,826,575.18/1,723,215.62 - Step 6: Final answer
x = 1,377,511.79
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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.