Finding the Fourth Proportional to 7,652,695.47, 11,479,704.17 and 1,972,871.79
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Solution
The fourth proportional to 7,652,695.47, 11,479,704.17 and 1,972,871.79 is: 2,959,478.08
Step by Step Solution
- Step 1: Write the proportion equation
7,652,695.47 : 11,479,704.17 = 1,972,871.79 : x - Step 2: Convert to fraction form
7,652,695.47/11,479,704.17 = 1,972,871.79/x - Step 3: Cross multiply
7,652,695.47x = 11,479,704.17 × 1,972,871.79 - Step 4: Simplify right side
7,652,695.47x = 22,647,984,504,674.00 - Step 5: Solve for x
x = 22,647,984,504,674.00/7,652,695.47 - Step 6: Final answer
x = 2,959,478.08
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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.