Finding the Fourth Proportional to 1,356,923.12, 2,045,138 and 1,169,643.84
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Solution
The fourth proportional to 1,356,923.12, 2,045,138 and 1,169,643.84 is: 1,762,872.95
Step by Step Solution
- Step 1: Write the proportion equation
1,356,923.12 : 2,045,138 = 1,169,643.84 : x - Step 2: Convert to fraction form
1,356,923.12/2,045,138 = 1,169,643.84/x - Step 3: Cross multiply
1,356,923.12x = 2,045,138 × 1,169,643.84 - Step 4: Simplify right side
1,356,923.12x = 2,392,083,063,649.92 - Step 5: Solve for x
x = 2,392,083,063,649.92/1,356,923.12 - Step 6: Final answer
x = 1,762,872.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.