Finding the Fourth Proportional to 1,526,212.60, 2,106,198.12 and 837,947.92
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Solution
The fourth proportional to 1,526,212.60, 2,106,198.12 and 837,947.92 is: 1,156,381.71
Step by Step Solution
- Step 1: Write the proportion equation
1,526,212.60 : 2,106,198.12 = 837,947.92 : x - Step 2: Convert to fraction form
1,526,212.60/2,106,198.12 = 837,947.92/x - Step 3: Cross multiply
1,526,212.60x = 2,106,198.12 × 837,947.92 - Step 4: Simplify right side
1,526,212.60x = 1,764,884,333,761.91 - Step 5: Solve for x
x = 1,764,884,333,761.91/1,526,212.60 - Step 6: Final answer
x = 1,156,381.71
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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.