Finding the Fourth Proportional to 4,278,959.60, 5,904,091.56 and 2,535,860.66
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Solution
The fourth proportional to 4,278,959.60, 5,904,091.56 and 2,535,860.66 is: 3,498,970.53
Step by Step Solution
- Step 1: Write the proportion equation
4,278,959.60 : 5,904,091.56 = 2,535,860.66 : x - Step 2: Convert to fraction form
4,278,959.60/5,904,091.56 = 2,535,860.66/x - Step 3: Cross multiply
4,278,959.60x = 5,904,091.56 × 2,535,860.66 - Step 4: Simplify right side
4,278,959.60x = 14,971,953,520,042.03 - Step 5: Solve for x
x = 14,971,953,520,042.03/4,278,959.60 - Step 6: Final answer
x = 3,498,970.53
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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.