Finding the Fourth Proportional to 1,631,407.30, 2,251,279.41 and 906,300.58
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Solution
The fourth proportional to 1,631,407.30, 2,251,279.41 and 906,300.58 is: 1,250,659.99
Step by Step Solution
- Step 1: Write the proportion equation
1,631,407.30 : 2,251,279.41 = 906,300.58 : x - Step 2: Convert to fraction form
1,631,407.30/2,251,279.41 = 906,300.58/x - Step 3: Cross multiply
1,631,407.30x = 2,251,279.41 × 906,300.58 - Step 4: Simplify right side
1,631,407.30x = 2,040,335,835,025.06 - Step 5: Solve for x
x = 2,040,335,835,025.06/1,631,407.30 - Step 6: Final answer
x = 1,250,659.99
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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.