Finding the Fourth Proportional to 5,199,081.20, 7,174,106.88 and 2,994,660.96
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Solution
The fourth proportional to 5,199,081.20, 7,174,106.88 and 2,994,660.96 is: 4,132,272.02
Step by Step Solution
- Step 1: Write the proportion equation
5,199,081.20 : 7,174,106.88 = 2,994,660.96 : x - Step 2: Convert to fraction form
5,199,081.20/7,174,106.88 = 2,994,660.96/x - Step 3: Cross multiply
5,199,081.20x = 7,174,106.88 × 2,994,660.96 - Step 4: Simplify right side
5,199,081.20x = 21,484,017,796,403.40 - Step 5: Solve for x
x = 21,484,017,796,403.40/5,199,081.20 - Step 6: Final answer
x = 4,132,272.02
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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.