Finding the Fourth Proportional to 1,994,365.75, 2,752,232.04 and 1,088,947.75
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Solution
The fourth proportional to 1,994,365.75, 2,752,232.04 and 1,088,947.75 is: 1,502,751.88
Step by Step Solution
- Step 1: Write the proportion equation
1,994,365.75 : 2,752,232.04 = 1,088,947.75 : x - Step 2: Convert to fraction form
1,994,365.75/2,752,232.04 = 1,088,947.75/x - Step 3: Cross multiply
1,994,365.75x = 2,752,232.04 × 1,088,947.75 - Step 4: Simplify right side
1,994,365.75x = 2,997,036,887,435.91 - Step 5: Solve for x
x = 2,997,036,887,435.91/1,994,365.75 - Step 6: Final answer
x = 1,502,751.88
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1.5x scale
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.