Finding the Fourth Proportional to 1,812,387.72, 2,498,593.08 and 1,446,108.96
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Solution
The fourth proportional to 1,812,387.72, 2,498,593.08 and 1,446,108.96 is: 1,993,634.03
Step by Step Solution
- Step 1: Write the proportion equation
1,812,387.72 : 2,498,593.08 = 1,446,108.96 : x - Step 2: Convert to fraction form
1,812,387.72/2,498,593.08 = 1,446,108.96/x - Step 3: Cross multiply
1,812,387.72x = 2,498,593.08 × 1,446,108.96 - Step 4: Simplify right side
1,812,387.72x = 3,613,237,840,382.00 - Step 5: Solve for x
x = 3,613,237,840,382.00/1,812,387.72 - Step 6: Final answer
x = 1,993,634.03
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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.