Finding the Fourth Proportional to 5,720,282.21, 7,894,046.45 and 3,106,837.33
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Solution
The fourth proportional to 5,720,282.21, 7,894,046.45 and 3,106,837.33 is: 4,287,466.47
Step by Step Solution
- Step 1: Write the proportion equation
5,720,282.21 : 7,894,046.45 = 3,106,837.33 : x - Step 2: Convert to fraction form
5,720,282.21/7,894,046.45 = 3,106,837.33/x - Step 3: Cross multiply
5,720,282.21x = 7,894,046.45 × 3,106,837.33 - Step 4: Simplify right side
5,720,282.21x = 24,525,518,195,613.98 - Step 5: Solve for x
x = 24,525,518,195,613.98/5,720,282.21 - Step 6: Final answer
x = 4,287,466.47
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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.