Finding the Fourth Proportional to 4,151,889.13, 5,729,610.57 and 2,316,347.77
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Solution
The fourth proportional to 4,151,889.13, 5,729,610.57 and 2,316,347.77 is: 3,196,561.91
Step by Step Solution
- Step 1: Write the proportion equation
4,151,889.13 : 5,729,610.57 = 2,316,347.77 : x - Step 2: Convert to fraction form
4,151,889.13/5,729,610.57 = 2,316,347.77/x - Step 3: Cross multiply
4,151,889.13x = 5,729,610.57 × 2,316,347.77 - Step 4: Simplify right side
4,151,889.13x = 13,271,770,666,787.93 - Step 5: Solve for x
x = 13,271,770,666,787.93/4,151,889.13 - Step 6: Final answer
x = 3,196,561.91
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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.