Finding the Fourth Proportional to 2,078,453.84, 2,865,672.06 and 1,589,029.88
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Solution
The fourth proportional to 2,078,453.84, 2,865,672.06 and 1,589,029.88 is: 2,190,877.87
Step by Step Solution
- Step 1: Write the proportion equation
2,078,453.84 : 2,865,672.06 = 1,589,029.88 : x - Step 2: Convert to fraction form
2,078,453.84/2,865,672.06 = 1,589,029.88/x - Step 3: Cross multiply
2,078,453.84x = 2,865,672.06 × 1,589,029.88 - Step 4: Simplify right side
2,078,453.84x = 4,553,638,515,292.79 - Step 5: Solve for x
x = 4,553,638,515,292.79/2,078,453.84 - Step 6: Final answer
x = 2,190,877.87
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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.