Finding the Fourth Proportional to 2,574,768.40, 3,552,817.70 and 1,542,034.19
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Solution
The fourth proportional to 2,574,768.40, 3,552,817.70 and 1,542,034.19 is: 2,127,789.97
Step by Step Solution
- Step 1: Write the proportion equation
2,574,768.40 : 3,552,817.70 = 1,542,034.19 : x - Step 2: Convert to fraction form
2,574,768.40/3,552,817.70 = 1,542,034.19/x - Step 3: Cross multiply
2,574,768.40x = 3,552,817.70 × 1,542,034.19 - Step 4: Simplify right side
2,574,768.40x = 5,478,566,376,974.29 - Step 5: Solve for x
x = 5,478,566,376,974.29/2,574,768.40 - Step 6: Final answer
x = 2,127,789.97
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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.