Finding the Fourth Proportional to 4,376,756.80, 6,562,024.80 and 1,981,748.80
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Solution
The fourth proportional to 4,376,756.80, 6,562,024.80 and 1,981,748.80 is: 2,971,214.84
Step by Step Solution
- Step 1: Write the proportion equation
4,376,756.80 : 6,562,024.80 = 1,981,748.80 : x - Step 2: Convert to fraction form
4,376,756.80/6,562,024.80 = 1,981,748.80/x - Step 3: Cross multiply
4,376,756.80x = 6,562,024.80 × 1,981,748.80 - Step 4: Simplify right side
4,376,756.80x = 13,004,284,772,970.24 - Step 5: Solve for x
x = 13,004,284,772,970.24/4,376,756.80 - Step 6: Final answer
x = 2,971,214.84
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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.