Finding the Fourth Proportional to 2,609,853.74, 3,917,644.05 and 2,073,557.06
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Solution
The fourth proportional to 2,609,853.74, 3,917,644.05 and 2,073,557.06 is: 3,112,610.62
Step by Step Solution
- Step 1: Write the proportion equation
2,609,853.74 : 3,917,644.05 = 2,073,557.06 : x - Step 2: Convert to fraction form
2,609,853.74/3,917,644.05 = 2,073,557.06/x - Step 3: Cross multiply
2,609,853.74x = 3,917,644.05 × 2,073,557.06 - Step 4: Simplify right side
2,609,853.74x = 8,123,458,478,444.49 - Step 5: Solve for x
x = 8,123,458,478,444.49/2,609,853.74 - Step 6: Final answer
x = 3,112,610.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.