Finding the Fourth Proportional to 4,129,897.12, 6,194,285.17 and 1,211,912.37
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Solution
The fourth proportional to 4,129,897.12, 6,194,285.17 and 1,211,912.37 is: 1,817,704.07
Step by Step Solution
- Step 1: Write the proportion equation
4,129,897.12 : 6,194,285.17 = 1,211,912.37 : x - Step 2: Convert to fraction form
4,129,897.12/6,194,285.17 = 1,211,912.37/x - Step 3: Cross multiply
4,129,897.12x = 6,194,285.17 × 1,211,912.37 - Step 4: Simplify right side
4,129,897.12x = 7,506,930,817,800.77 - Step 5: Solve for x
x = 7,506,930,817,800.77/4,129,897.12 - Step 6: Final answer
x = 1,817,704.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.