Finding the Fourth Proportional to 3,345,121.75, 4,615,897.79 and 1,854,935.98
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Solution
The fourth proportional to 3,345,121.75, 4,615,897.79 and 1,854,935.98 is: 2,559,606.36
Step by Step Solution
- Step 1: Write the proportion equation
3,345,121.75 : 4,615,897.79 = 1,854,935.98 : x - Step 2: Convert to fraction form
3,345,121.75/4,615,897.79 = 1,854,935.98/x - Step 3: Cross multiply
3,345,121.75x = 4,615,897.79 × 1,854,935.98 - Step 4: Simplify right side
3,345,121.75x = 8,562,194,890,673.49 - Step 5: Solve for x
x = 8,562,194,890,673.49/3,345,121.75 - Step 6: Final answer
x = 2,559,606.36
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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.