Finding the Fourth Proportional to 4,815,167.04, 6,644,844.89 and 2,639,728.07
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Solution
The fourth proportional to 4,815,167.04, 6,644,844.89 and 2,639,728.07 is: 3,642,777.79
Step by Step Solution
- Step 1: Write the proportion equation
4,815,167.04 : 6,644,844.89 = 2,639,728.07 : x - Step 2: Convert to fraction form
4,815,167.04/6,644,844.89 = 2,639,728.07/x - Step 3: Cross multiply
4,815,167.04x = 6,644,844.89 × 2,639,728.07 - Step 4: Simplify right side
4,815,167.04x = 17,540,583,530,506.20 - Step 5: Solve for x
x = 17,540,583,530,506.20/4,815,167.04 - Step 6: Final answer
x = 3,642,777.79
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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.