Finding the Fourth Proportional to 3,552,988.80, 4,904,725.76 and 2,265,559.68
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Solution
The fourth proportional to 3,552,988.80, 4,904,725.76 and 2,265,559.68 is: 3,127,493.37
Step by Step Solution
- Step 1: Write the proportion equation
3,552,988.80 : 4,904,725.76 = 2,265,559.68 : x - Step 2: Convert to fraction form
3,552,988.80/4,904,725.76 = 2,265,559.68/x - Step 3: Cross multiply
3,552,988.80x = 4,904,725.76 × 2,265,559.68 - Step 4: Simplify right side
3,552,988.80x = 11,111,948,923,313.36 - Step 5: Solve for x
x = 11,111,948,923,313.36/3,552,988.80 - Step 6: Final answer
x = 3,127,493.37
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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.