Finding the Fourth Proportional to 1,613,562.96, 2,227,405.98 and 1,148,716.92
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Solution
The fourth proportional to 1,613,562.96, 2,227,405.98 and 1,148,716.92 is: 1,585,719.93
Step by Step Solution
- Step 1: Write the proportion equation
1,613,562.96 : 2,227,405.98 = 1,148,716.92 : x - Step 2: Convert to fraction form
1,613,562.96/2,227,405.98 = 1,148,716.92/x - Step 3: Cross multiply
1,613,562.96x = 2,227,405.98 × 1,148,716.92 - Step 4: Simplify right side
1,613,562.96x = 2,558,658,936,935.18 - Step 5: Solve for x
x = 2,558,658,936,935.18/1,613,562.96 - Step 6: Final answer
x = 1,585,719.93
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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.