Finding the Fourth Proportional to 3,614,867.42, 4,988,567.94 and 1,983,245.13
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Solution
The fourth proportional to 3,614,867.42, 4,988,567.94 and 1,983,245.13 is: 2,736,906.21
Step by Step Solution
- Step 1: Write the proportion equation
3,614,867.42 : 4,988,567.94 = 1,983,245.13 : x - Step 2: Convert to fraction form
3,614,867.42/4,988,567.94 = 1,983,245.13/x - Step 3: Cross multiply
3,614,867.42x = 4,988,567.94 × 1,983,245.13 - Step 4: Simplify right side
3,614,867.42x = 9,893,553,072,679.13 - Step 5: Solve for x
x = 9,893,553,072,679.13/3,614,867.42 - Step 6: Final answer
x = 2,736,906.21
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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.