Finding the Fourth Proportional to 5,786,748.80, 8,677,498.80 and 2,191,320.80
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Solution
The fourth proportional to 5,786,748.80, 8,677,498.80 and 2,191,320.80 is: 3,285,987.39
Step by Step Solution
- Step 1: Write the proportion equation
5,786,748.80 : 8,677,498.80 = 2,191,320.80 : x - Step 2: Convert to fraction form
5,786,748.80/8,677,498.80 = 2,191,320.80/x - Step 3: Cross multiply
5,786,748.80x = 8,677,498.80 × 2,191,320.80 - Step 4: Simplify right side
5,786,748.80x = 19,015,183,612,415.04 - Step 5: Solve for x
x = 19,015,183,612,415.04/5,786,748.80 - Step 6: Final answer
x = 3,285,987.39
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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.