Finding the Fourth Proportional to 5,620,198.26, 7,756,061.45 and 3,444,320.98
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Solution
The fourth proportional to 5,620,198.26, 7,756,061.45 and 3,444,320.98 is: 4,753,278.07
Step by Step Solution
- Step 1: Write the proportion equation
5,620,198.26 : 7,756,061.45 = 3,444,320.98 : x - Step 2: Convert to fraction form
5,620,198.26/7,756,061.45 = 3,444,320.98/x - Step 3: Cross multiply
5,620,198.26x = 7,756,061.45 × 3,444,320.98 - Step 4: Simplify right side
5,620,198.26x = 26,714,365,166,877.70 - Step 5: Solve for x
x = 26,714,365,166,877.70/5,620,198.26 - Step 6: Final answer
x = 4,753,278.07
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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.