Finding the Fourth Proportional to 1,589,513.09, 2,193,585.75 and 910,580.81
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Solution
The fourth proportional to 1,589,513.09, 2,193,585.75 and 910,580.81 is: 1,256,634.57
Step by Step Solution
- Step 1: Write the proportion equation
1,589,513.09 : 2,193,585.75 = 910,580.81 : x - Step 2: Convert to fraction form
1,589,513.09/2,193,585.75 = 910,580.81/x - Step 3: Cross multiply
1,589,513.09x = 2,193,585.75 × 910,580.81 - Step 4: Simplify right side
1,589,513.09x = 1,997,437,094,523.42 - Step 5: Solve for x
x = 1,997,437,094,523.42/1,589,513.09 - Step 6: Final answer
x = 1,256,634.57
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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.