Finding the Fourth Proportional to 4,153,198.74, 5,731,403.58 and 2,317,637.49
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Solution
The fourth proportional to 4,153,198.74, 5,731,403.58 and 2,317,637.49 is: 3,198,333.78
Step by Step Solution
- Step 1: Write the proportion equation
4,153,198.74 : 5,731,403.58 = 2,317,637.49 : x - Step 2: Convert to fraction form
4,153,198.74/5,731,403.58 = 2,317,637.49/x - Step 3: Cross multiply
4,153,198.74x = 5,731,403.58 × 2,317,637.49 - Step 4: Simplify right side
4,153,198.74x = 13,283,315,807,328.21 - Step 5: Solve for x
x = 13,283,315,807,328.21/4,153,198.74 - Step 6: Final answer
x = 3,198,333.78
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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.