Finding the Fourth Proportional to 6,574,809.90, 9,855,216.45 and 2,529,734.70
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Solution
The fourth proportional to 6,574,809.90, 9,855,216.45 and 2,529,734.70 is: 3,791,909.33
Step by Step Solution
- Step 1: Write the proportion equation
6,574,809.90 : 9,855,216.45 = 2,529,734.70 : x - Step 2: Convert to fraction form
6,574,809.90/9,855,216.45 = 2,529,734.70/x - Step 3: Cross multiply
6,574,809.90x = 9,855,216.45 × 2,529,734.70 - Step 4: Simplify right side
6,574,809.90x = 24,931,083,029,575.82 - Step 5: Solve for x
x = 24,931,083,029,575.82/6,574,809.90 - Step 6: Final answer
x = 3,791,909.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.