Finding the Fourth Proportional to 5,147,706.66, 7,721,615.09 and 1,553,505.81
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Solution
The fourth proportional to 5,147,706.66, 7,721,615.09 and 1,553,505.81 is: 2,330,275.34
Step by Step Solution
- Step 1: Write the proportion equation
5,147,706.66 : 7,721,615.09 = 1,553,505.81 : x - Step 2: Convert to fraction form
5,147,706.66/7,721,615.09 = 1,553,505.81/x - Step 3: Cross multiply
5,147,706.66x = 7,721,615.09 × 1,553,505.81 - Step 4: Simplify right side
5,147,706.66x = 11,995,573,904,898.67 - Step 5: Solve for x
x = 11,995,573,904,898.67/5,147,706.66 - Step 6: Final answer
x = 2,330,275.34
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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.