Finding the Fourth Proportional to 2,509,519.68, 3,463,125.12 and 1,421,788.92
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Solution
The fourth proportional to 2,509,519.68, 3,463,125.12 and 1,421,788.92 is: 1,962,061.89
Step by Step Solution
- Step 1: Write the proportion equation
2,509,519.68 : 3,463,125.12 = 1,421,788.92 : x - Step 2: Convert to fraction form
2,509,519.68/3,463,125.12 = 1,421,788.92/x - Step 3: Cross multiply
2,509,519.68x = 3,463,125.12 × 1,421,788.92 - Step 4: Simplify right side
2,509,519.68x = 4,923,832,924,189.67 - Step 5: Solve for x
x = 4,923,832,924,189.67/2,509,519.68 - Step 6: Final answer
x = 1,962,061.89
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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.