Finding the Fourth Proportional to 1,558,490.76, 2,150,696.18 and 870,173.21
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Solution
The fourth proportional to 1,558,490.76, 2,150,696.18 and 870,173.21 is: 1,200,827.26
Step by Step Solution
- Step 1: Write the proportion equation
1,558,490.76 : 2,150,696.18 = 870,173.21 : x - Step 2: Convert to fraction form
1,558,490.76/2,150,696.18 = 870,173.21/x - Step 3: Cross multiply
1,558,490.76x = 2,150,696.18 × 870,173.21 - Step 4: Simplify right side
1,558,490.76x = 1,871,478,183,580.99 - Step 5: Solve for x
x = 1,871,478,183,580.99/1,558,490.76 - Step 6: Final answer
x = 1,200,827.26
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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.