Finding the Fourth Proportional to 2,869,912.48, 3,960,658.70 and 1,580,752.52
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Solution
The fourth proportional to 2,869,912.48, 3,960,658.70 and 1,580,752.52 is: 2,181,537.34
Step by Step Solution
- Step 1: Write the proportion equation
2,869,912.48 : 3,960,658.70 = 1,580,752.52 : x - Step 2: Convert to fraction form
2,869,912.48/3,960,658.70 = 1,580,752.52/x - Step 3: Cross multiply
2,869,912.48x = 3,960,658.70 × 1,580,752.52 - Step 4: Simplify right side
2,869,912.48x = 6,260,821,228,810.63 - Step 5: Solve for x
x = 6,260,821,228,810.63/2,869,912.48 - Step 6: Final answer
x = 2,181,537.34
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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.