Finding the Fourth Proportional to 4,151,889.38, 5,729,610.93 and 2,316,348.05
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Solution
The fourth proportional to 4,151,889.38, 5,729,610.93 and 2,316,348.05 is: 3,196,562.31
Step by Step Solution
- Step 1: Write the proportion equation
4,151,889.38 : 5,729,610.93 = 2,316,348.05 : x - Step 2: Convert to fraction form
4,151,889.38/5,729,610.93 = 2,316,348.05/x - Step 3: Cross multiply
4,151,889.38x = 5,729,610.93 × 2,316,348.05 - Step 4: Simplify right side
4,151,889.38x = 13,271,773,104,964.19 - Step 5: Solve for x
x = 13,271,773,104,964.19/4,151,889.38 - Step 6: Final answer
x = 3,196,562.31
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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.