Finding the Fourth Proportional to 3,115,840.21, 4,673,996.66 and 841,331.51
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Solution
The fourth proportional to 3,115,840.21, 4,673,996.66 and 841,331.51 is: 1,262,061.08
Step by Step Solution
- Step 1: Write the proportion equation
3,115,840.21 : 4,673,996.66 = 841,331.51 : x - Step 2: Convert to fraction form
3,115,840.21/4,673,996.66 = 841,331.51/x - Step 3: Cross multiply
3,115,840.21x = 4,673,996.66 × 841,331.51 - Step 4: Simplify right side
3,115,840.21x = 3,932,380,663,953.59 - Step 5: Solve for x
x = 3,932,380,663,953.59/3,115,840.21 - Step 6: Final answer
x = 1,262,061.08
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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.