Finding the Fourth Proportional to 3,248,472.57, 4,482,837.74 and 1,798,136.79
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Solution
The fourth proportional to 3,248,472.57, 4,482,837.74 and 1,798,136.79 is: 2,481,398.65
Step by Step Solution
- Step 1: Write the proportion equation
3,248,472.57 : 4,482,837.74 = 1,798,136.79 : x - Step 2: Convert to fraction form
3,248,472.57/4,482,837.74 = 1,798,136.79/x - Step 3: Cross multiply
3,248,472.57x = 4,482,837.74 × 1,798,136.79 - Step 4: Simplify right side
3,248,472.57x = 8,060,755,454,903.77 - Step 5: Solve for x
x = 8,060,755,454,903.77/3,248,472.57 - Step 6: Final answer
x = 2,481,398.65
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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.