Finding the Fourth Proportional to 2,868,776.48, 3,958,998.63 and 1,579,663.00
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Solution
The fourth proportional to 2,868,776.48, 3,958,998.63 and 1,579,663.00 is: 2,179,982.89
Step by Step Solution
- Step 1: Write the proportion equation
2,868,776.48 : 3,958,998.63 = 1,579,663.00 : x - Step 2: Convert to fraction form
2,868,776.48/3,958,998.63 = 1,579,663.00/x - Step 3: Cross multiply
2,868,776.48x = 3,958,998.63 × 1,579,663.00 - Step 4: Simplify right side
2,868,776.48x = 6,253,883,633,066.70 - Step 5: Solve for x
x = 6,253,883,633,066.70/2,868,776.48 - Step 6: Final answer
x = 2,179,982.89
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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.