Finding the Fourth Proportional to 2,787,678.59, 3,848,348.00 and 1,869,571.94
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Solution
The fourth proportional to 2,787,678.59, 3,848,348.00 and 1,869,571.94 is: 2,580,915.70
Step by Step Solution
- Step 1: Write the proportion equation
2,787,678.59 : 3,848,348.00 = 1,869,571.94 : x - Step 2: Convert to fraction form
2,787,678.59/3,848,348.00 = 1,869,571.94/x - Step 3: Cross multiply
2,787,678.59x = 3,848,348.00 × 1,869,571.94 - Step 4: Simplify right side
2,787,678.59x = 7,194,763,421,587.31 - Step 5: Solve for x
x = 7,194,763,421,587.31/2,787,678.59 - Step 6: Final answer
x = 2,580,915.70
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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.