Finding the Fourth Proportional to 3,050,446.84, 4,209,989.98 and 1,761,285.06
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Solution
The fourth proportional to 3,050,446.84, 4,209,989.98 and 1,761,285.06 is: 2,430,788.95
Step by Step Solution
- Step 1: Write the proportion equation
3,050,446.84 : 4,209,989.98 = 1,761,285.06 : x - Step 2: Convert to fraction form
3,050,446.84/4,209,989.98 = 1,761,285.06/x - Step 3: Cross multiply
3,050,446.84x = 4,209,989.98 × 1,761,285.06 - Step 4: Simplify right side
3,050,446.84x = 7,414,992,445,717.27 - Step 5: Solve for x
x = 7,414,992,445,717.27/3,050,446.84 - Step 6: Final answer
x = 2,430,788.95
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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.