Finding the Fourth Proportional to 5,457,759.71, 7,531,576.40 and 3,010,318.21
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Solution
The fourth proportional to 5,457,759.71, 7,531,576.40 and 3,010,318.21 is: 4,154,166.32
Step by Step Solution
- Step 1: Write the proportion equation
5,457,759.71 : 7,531,576.40 = 3,010,318.21 : x - Step 2: Convert to fraction form
5,457,759.71/7,531,576.40 = 3,010,318.21/x - Step 3: Cross multiply
5,457,759.71x = 7,531,576.40 × 3,010,318.21 - Step 4: Simplify right side
5,457,759.71x = 22,672,441,575,623.10 - Step 5: Solve for x
x = 22,672,441,575,623.10/5,457,759.71 - Step 6: Final answer
x = 4,154,166.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.