Finding the Fourth Proportional to 6,487,067.88, 8,952,340.55 and 3,586,645.98
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Solution
The fourth proportional to 6,487,067.88, 8,952,340.55 and 3,586,645.98 is: 4,949,674.77
Step by Step Solution
- Step 1: Write the proportion equation
6,487,067.88 : 8,952,340.55 = 3,586,645.98 : x - Step 2: Convert to fraction form
6,487,067.88/8,952,340.55 = 3,586,645.98/x - Step 3: Cross multiply
6,487,067.88x = 8,952,340.55 × 3,586,645.98 - Step 4: Simplify right side
6,487,067.88x = 32,108,876,227,315.26 - Step 5: Solve for x
x = 32,108,876,227,315.26/6,487,067.88 - Step 6: Final answer
x = 4,949,674.77
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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.