Finding the Fourth Proportional to 5,124,432.80, 7,686,663.79 and 1,481,459.24
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Solution
The fourth proportional to 5,124,432.80, 7,686,663.79 and 1,481,459.24 is: 2,222,193.08
Step by Step Solution
- Step 1: Write the proportion equation
5,124,432.80 : 7,686,663.79 = 1,481,459.24 : x - Step 2: Convert to fraction form
5,124,432.80/7,686,663.79 = 1,481,459.24/x - Step 3: Cross multiply
5,124,432.80x = 7,686,663.79 × 1,481,459.24 - Step 4: Simplify right side
5,124,432.80x = 11,387,479,096,468.92 - Step 5: Solve for x
x = 11,387,479,096,468.92/5,124,432.80 - Step 6: Final answer
x = 2,222,193.08
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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.