Finding the Fourth Proportional to 5,487,699.09, 8,229,804.84 and 5,129,474.84
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Solution
The fourth proportional to 5,487,699.09, 8,229,804.84 and 5,129,474.84 is: 7,692,582.30
Step by Step Solution
- Step 1: Write the proportion equation
5,487,699.09 : 8,229,804.84 = 5,129,474.84 : x - Step 2: Convert to fraction form
5,487,699.09/8,229,804.84 = 5,129,474.84/x - Step 3: Cross multiply
5,487,699.09x = 8,229,804.84 × 5,129,474.84 - Step 4: Simplify right side
5,487,699.09x = 42,214,576,864,890.23 - Step 5: Solve for x
x = 42,214,576,864,890.23/5,487,699.09 - Step 6: Final answer
x = 7,692,582.30
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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.