Finding the Fourth Proportional to 7,462,121.40, 11,190,417.30 and 2,413,596.60
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Solution
The fourth proportional to 7,462,121.40, 11,190,417.30 and 2,413,596.60 is: 3,619,500.64
Step by Step Solution
- Step 1: Write the proportion equation
7,462,121.40 : 11,190,417.30 = 2,413,596.60 : x - Step 2: Convert to fraction form
7,462,121.40/11,190,417.30 = 2,413,596.60/x - Step 3: Cross multiply
7,462,121.40x = 11,190,417.30 × 2,413,596.60 - Step 4: Simplify right side
7,462,121.40x = 27,009,153,147,861.18 - Step 5: Solve for x
x = 27,009,153,147,861.18/7,462,121.40 - Step 6: Final answer
x = 3,619,500.64
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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.