Finding the Fourth Proportional to 2,138,345.92, 3,207,997.50 and 718,363.18
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Solution
The fourth proportional to 2,138,345.92, 3,207,997.50 and 718,363.18 is: 1,077,705.56
Step by Step Solution
- Step 1: Write the proportion equation
2,138,345.92 : 3,207,997.50 = 718,363.18 : x - Step 2: Convert to fraction form
2,138,345.92/3,207,997.50 = 718,363.18/x - Step 3: Cross multiply
2,138,345.92x = 3,207,997.50 × 718,363.18 - Step 4: Simplify right side
2,138,345.92x = 2,304,507,285,532.05 - Step 5: Solve for x
x = 2,304,507,285,532.05/2,138,345.92 - Step 6: Final answer
x = 1,077,705.56
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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.