Finding the Fourth Proportional to 2,188,474.48, 3,020,598.60 and 1,283,348.08
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Solution
The fourth proportional to 2,188,474.48, 3,020,598.60 and 1,283,348.08 is: 1,771,315.80
Step by Step Solution
- Step 1: Write the proportion equation
2,188,474.48 : 3,020,598.60 = 1,283,348.08 : x - Step 2: Convert to fraction form
2,188,474.48/3,020,598.60 = 1,283,348.08/x - Step 3: Cross multiply
2,188,474.48x = 3,020,598.60 × 1,283,348.08 - Step 4: Simplify right side
2,188,474.48x = 3,876,479,413,760.69 - Step 5: Solve for x
x = 3,876,479,413,760.69/2,188,474.48 - Step 6: Final answer
x = 1,771,315.80
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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.