Finding the Fourth Proportional to 2,115,697.49, 3,173,767.67 and 695,864.28
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Solution
The fourth proportional to 2,115,697.49, 3,173,767.67 and 695,864.28 is: 1,043,869.25
Step by Step Solution
- Step 1: Write the proportion equation
2,115,697.49 : 3,173,767.67 = 695,864.28 : x - Step 2: Convert to fraction form
2,115,697.49/3,173,767.67 = 695,864.28/x - Step 3: Cross multiply
2,115,697.49x = 3,173,767.67 × 695,864.28 - Step 4: Simplify right side
2,115,697.49x = 2,208,511,551,092.51 - Step 5: Solve for x
x = 2,208,511,551,092.51/2,115,697.49 - Step 6: Final answer
x = 1,043,869.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.