Finding the Fourth Proportional to 2,403,782.93, 3,317,218.87 and 1,316,054.23
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Solution
The fourth proportional to 2,403,782.93, 3,317,218.87 and 1,316,054.23 is: 1,816,153.98
Step by Step Solution
- Step 1: Write the proportion equation
2,403,782.93 : 3,317,218.87 = 1,316,054.23 : x - Step 2: Convert to fraction form
2,403,782.93/3,317,218.87 = 1,316,054.23/x - Step 3: Cross multiply
2,403,782.93x = 3,317,218.87 × 1,316,054.23 - Step 4: Simplify right side
2,403,782.93x = 4,365,639,935,243.10 - Step 5: Solve for x
x = 4,365,639,935,243.10/2,403,782.93 - Step 6: Final answer
x = 1,816,153.98
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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.