Finding the Fourth Proportional to 2,564,379.92, 3,538,623.84 and 1,418,174.96
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Solution
The fourth proportional to 2,564,379.92, 3,538,623.84 and 1,418,174.96 is: 1,956,959.53
Step by Step Solution
- Step 1: Write the proportion equation
2,564,379.92 : 3,538,623.84 = 1,418,174.96 : x - Step 2: Convert to fraction form
2,564,379.92/3,538,623.84 = 1,418,174.96/x - Step 3: Cross multiply
2,564,379.92x = 3,538,623.84 × 1,418,174.96 - Step 4: Simplify right side
2,564,379.92x = 5,018,387,722,747.05 - Step 5: Solve for x
x = 5,018,387,722,747.05/2,564,379.92 - Step 6: Final answer
x = 1,956,959.53
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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.