Finding the Fourth Proportional to 5,009,912.88, 7,514,892 and 2,130,537.84
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Solution
The fourth proportional to 5,009,912.88, 7,514,892 and 2,130,537.84 is: 3,195,816.40
Step by Step Solution
- Step 1: Write the proportion equation
5,009,912.88 : 7,514,892 = 2,130,537.84 : x - Step 2: Convert to fraction form
5,009,912.88/7,514,892 = 2,130,537.84/x - Step 3: Cross multiply
5,009,912.88x = 7,514,892 × 2,130,537.84 - Step 4: Simplify right side
5,009,912.88x = 16,010,761,769,513.28 - Step 5: Solve for x
x = 16,010,761,769,513.28/5,009,912.88 - Step 6: Final answer
x = 3,195,816.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.