Finding the Fourth Proportional to 5,753,239.14, 7,939,660.67 and 3,139,886.23
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Solution
The fourth proportional to 5,753,239.14, 7,939,660.67 and 3,139,886.23 is: 4,333,147.05
Step by Step Solution
- Step 1: Write the proportion equation
5,753,239.14 : 7,939,660.67 = 3,139,886.23 : x - Step 2: Convert to fraction form
5,753,239.14/7,939,660.67 = 3,139,886.23/x - Step 3: Cross multiply
5,753,239.14x = 7,939,660.67 × 3,139,886.23 - Step 4: Simplify right side
5,753,239.14x = 24,929,631,208,605.57 - Step 5: Solve for x
x = 24,929,631,208,605.57/5,753,239.14 - Step 6: Final answer
x = 4,333,147.05
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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.