Finding the Fourth Proportional to 6,435,243.92, 8,881,253.30 and 3,681,384.44
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Solution
The fourth proportional to 6,435,243.92, 8,881,253.30 and 3,681,384.44 is: 5,080,663.31
Step by Step Solution
- Step 1: Write the proportion equation
6,435,243.92 : 8,881,253.30 = 3,681,384.44 : x - Step 2: Convert to fraction form
6,435,243.92/8,881,253.30 = 3,681,384.44/x - Step 3: Cross multiply
6,435,243.92x = 8,881,253.30 × 3,681,384.44 - Step 4: Simplify right side
6,435,243.92x = 32,695,307,706,318.65 - Step 5: Solve for x
x = 32,695,307,706,318.65/6,435,243.92 - Step 6: Final answer
x = 5,080,663.31
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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.