Finding the Fourth Proportional to 5,192,079.80, 7,788,125.68 and 1,353,898.84
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Solution
The fourth proportional to 5,192,079.80, 7,788,125.68 and 1,353,898.84 is: 2,030,849.82
Step by Step Solution
- Step 1: Write the proportion equation
5,192,079.80 : 7,788,125.68 = 1,353,898.84 : x - Step 2: Convert to fraction form
5,192,079.80/7,788,125.68 = 1,353,898.84/x - Step 3: Cross multiply
5,192,079.80x = 7,788,125.68 × 1,353,898.84 - Step 4: Simplify right side
5,192,079.80x = 10,544,334,323,926.21 - Step 5: Solve for x
x = 10,544,334,323,926.21/5,192,079.80 - Step 6: Final answer
x = 2,030,849.82
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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.