Finding the Fourth Proportional to 1,508,226.18, 2,081,365.66 and 819,899.36
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Solution
The fourth proportional to 1,508,226.18, 2,081,365.66 and 819,899.36 is: 1,131,468.47
Step by Step Solution
- Step 1: Write the proportion equation
1,508,226.18 : 2,081,365.66 = 819,899.36 : x - Step 2: Convert to fraction form
1,508,226.18/2,081,365.66 = 819,899.36/x - Step 3: Cross multiply
1,508,226.18x = 2,081,365.66 × 819,899.36 - Step 4: Simplify right side
1,508,226.18x = 1,706,510,372,559.98 - Step 5: Solve for x
x = 1,706,510,372,559.98/1,508,226.18 - Step 6: Final answer
x = 1,131,468.47
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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.