Finding the Fourth Proportional to 1,558,979.85, 2,151,371.06 and 870,663.98
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Solution
The fourth proportional to 1,558,979.85, 2,151,371.06 and 870,663.98 is: 1,201,504.48
Step by Step Solution
- Step 1: Write the proportion equation
1,558,979.85 : 2,151,371.06 = 870,663.98 : x - Step 2: Convert to fraction form
1,558,979.85/2,151,371.06 = 870,663.98/x - Step 3: Cross multiply
1,558,979.85x = 2,151,371.06 × 870,663.98 - Step 4: Simplify right side
1,558,979.85x = 1,873,121,274,446.24 - Step 5: Solve for x
x = 1,873,121,274,446.24/1,558,979.85 - Step 6: Final answer
x = 1,201,504.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.