Finding the Fourth Proportional to 2,664,385.71, 3,676,849.68 and 1,440,688.31
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Solution
The fourth proportional to 2,664,385.71, 3,676,849.68 and 1,440,688.31 is: 1,988,148.46
Step by Step Solution
- Step 1: Write the proportion equation
2,664,385.71 : 3,676,849.68 = 1,440,688.31 : x - Step 2: Convert to fraction form
2,664,385.71/3,676,849.68 = 1,440,688.31/x - Step 3: Cross multiply
2,664,385.71x = 3,676,849.68 × 1,440,688.31 - Step 4: Simplify right side
2,664,385.71x = 5,297,194,333,218.99 - Step 5: Solve for x
x = 5,297,194,333,218.99/2,664,385.71 - Step 6: Final answer
x = 1,988,148.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.