Finding the Fourth Proportional to 1,476,944.36, 2,215,434.17 and 411,921.62
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Solution
The fourth proportional to 1,476,944.36, 2,215,434.17 and 411,921.62 is: 617,887.34
Step by Step Solution
- Step 1: Write the proportion equation
1,476,944.36 : 2,215,434.17 = 411,921.62 : x - Step 2: Convert to fraction form
1,476,944.36/2,215,434.17 = 411,921.62/x - Step 3: Cross multiply
1,476,944.36x = 2,215,434.17 × 411,921.62 - Step 4: Simplify right side
1,476,944.36x = 912,585,222,262.39 - Step 5: Solve for x
x = 912,585,222,262.39/1,476,944.36 - Step 6: Final answer
x = 617,887.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.