Finding the Fourth Proportional to 2,664,387.21, 3,676,851.75 and 1,440,689.81
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Solution
The fourth proportional to 2,664,387.21, 3,676,851.75 and 1,440,689.81 is: 1,988,150.53
Step by Step Solution
- Step 1: Write the proportion equation
2,664,387.21 : 3,676,851.75 = 1,440,689.81 : x - Step 2: Convert to fraction form
2,664,387.21/3,676,851.75 = 1,440,689.81/x - Step 3: Cross multiply
2,664,387.21x = 3,676,851.75 × 1,440,689.81 - Step 4: Simplify right side
2,664,387.21x = 5,297,202,849,105.67 - Step 5: Solve for x
x = 5,297,202,849,105.67/2,664,387.21 - Step 6: Final answer
x = 1,988,150.53
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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.