Finding the Fourth Proportional to 4,818,620.58, 7,218,292.17 and 2,898,472.11
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Solution
The fourth proportional to 4,818,620.58, 7,218,292.17 and 2,898,472.11 is: 4,341,910.34
Step by Step Solution
- Step 1: Write the proportion equation
4,818,620.58 : 7,218,292.17 = 2,898,472.11 : x - Step 2: Convert to fraction form
4,818,620.58/7,218,292.17 = 2,898,472.11/x - Step 3: Cross multiply
4,818,620.58x = 7,218,292.17 × 2,898,472.11 - Step 4: Simplify right side
4,818,620.58x = 20,922,018,536,576.38 - Step 5: Solve for x
x = 20,922,018,536,576.38/4,818,620.58 - Step 6: Final answer
x = 4,341,910.34
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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.