Finding the Fourth Proportional to 2,653,253.07, 3,979,490.81 and 1,305,053.79
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Solution
The fourth proportional to 2,653,253.07, 3,979,490.81 and 1,305,053.79 is: 1,957,389.45
Step by Step Solution
- Step 1: Write the proportion equation
2,653,253.07 : 3,979,490.81 = 1,305,053.79 : x - Step 2: Convert to fraction form
2,653,253.07/3,979,490.81 = 1,305,053.79/x - Step 3: Cross multiply
2,653,253.07x = 3,979,490.81 × 1,305,053.79 - Step 4: Simplify right side
2,653,253.07x = 5,193,449,557,335.40 - Step 5: Solve for x
x = 5,193,449,557,335.40/2,653,253.07 - Step 6: Final answer
x = 1,957,389.45
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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.