Finding the Fourth Proportional to 1,595,811.49, 2,202,212.39 and 870,657.01
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Solution
The fourth proportional to 1,595,811.49, 2,202,212.39 and 870,657.01 is: 1,201,502.60
Step by Step Solution
- Step 1: Write the proportion equation
1,595,811.49 : 2,202,212.39 = 870,657.01 : x - Step 2: Convert to fraction form
1,595,811.49/2,202,212.39 = 870,657.01/x - Step 3: Cross multiply
1,595,811.49x = 2,202,212.39 × 870,657.01 - Step 4: Simplify right side
1,595,811.49x = 1,917,371,650,509.07 - Step 5: Solve for x
x = 1,917,371,650,509.07/1,595,811.49 - Step 6: Final answer
x = 1,201,502.60
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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.