Finding the Fourth Proportional to 4,286,557.13, 5,915,525.18 and 2,352,997.62
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Solution
The fourth proportional to 4,286,557.13, 5,915,525.18 and 2,352,997.62 is: 3,247,178.62
Step by Step Solution
- Step 1: Write the proportion equation
4,286,557.13 : 5,915,525.18 = 2,352,997.62 : x - Step 2: Convert to fraction form
4,286,557.13/5,915,525.18 = 2,352,997.62/x - Step 3: Cross multiply
4,286,557.13x = 5,915,525.18 × 2,352,997.62 - Step 4: Simplify right side
4,286,557.13x = 13,919,216,657,825.08 - Step 5: Solve for x
x = 13,919,216,657,825.08/4,286,557.13 - Step 6: Final answer
x = 3,247,178.62
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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.