Finding the Fourth Proportional to 3,451,121.67, 4,762,509.14 and 1,881,219.09
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Solution
The fourth proportional to 3,451,121.67, 4,762,509.14 and 1,881,219.09 is: 2,596,061.22
Step by Step Solution
- Step 1: Write the proportion equation
3,451,121.67 : 4,762,509.14 = 1,881,219.09 : x - Step 2: Convert to fraction form
3,451,121.67/4,762,509.14 = 1,881,219.09/x - Step 3: Cross multiply
3,451,121.67x = 4,762,509.14 × 1,881,219.09 - Step 4: Simplify right side
3,451,121.67x = 8,959,323,133,029.94 - Step 5: Solve for x
x = 8,959,323,133,029.94/3,451,121.67 - Step 6: Final answer
x = 2,596,061.22
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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.