Finding the Fourth Proportional to 3,201,115.24, 4,417,270.77 and 1,805,599.75
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Solution
The fourth proportional to 3,201,115.24, 4,417,270.77 and 1,805,599.75 is: 2,491,576.34
Step by Step Solution
- Step 1: Write the proportion equation
3,201,115.24 : 4,417,270.77 = 1,805,599.75 : x - Step 2: Convert to fraction form
3,201,115.24/4,417,270.77 = 1,805,599.75/x - Step 3: Cross multiply
3,201,115.24x = 4,417,270.77 × 1,805,599.75 - Step 4: Simplify right side
3,201,115.24x = 7,975,822,997,994.31 - Step 5: Solve for x
x = 7,975,822,997,994.31/3,201,115.24 - Step 6: Final answer
x = 2,491,576.34
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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.