Finding the Fourth Proportional to 2,580,816.98, 3,561,726.94 and 1,548,363.62
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Solution
The fourth proportional to 2,580,816.98, 3,561,726.94 and 1,548,363.62 is: 2,136,861.49
Step by Step Solution
- Step 1: Write the proportion equation
2,580,816.98 : 3,561,726.94 = 1,548,363.62 : x - Step 2: Convert to fraction form
2,580,816.98/3,561,726.94 = 1,548,363.62/x - Step 3: Cross multiply
2,580,816.98x = 3,561,726.94 × 1,548,363.62 - Step 4: Simplify right side
2,580,816.98x = 5,514,848,418,269.92 - Step 5: Solve for x
x = 5,514,848,418,269.92/2,580,816.98 - Step 6: Final answer
x = 2,136,861.49
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1.5x scale
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.