Finding the Fourth Proportional to 5,049,636.60, 6,968,670.46 and 2,986,420.80
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Solution
The fourth proportional to 5,049,636.60, 6,968,670.46 and 2,986,420.80 is: 4,121,362.40
Step by Step Solution
- Step 1: Write the proportion equation
5,049,636.60 : 6,968,670.46 = 2,986,420.80 : x - Step 2: Convert to fraction form
5,049,636.60/6,968,670.46 = 2,986,420.80/x - Step 3: Cross multiply
5,049,636.60x = 6,968,670.46 × 2,986,420.80 - Step 4: Simplify right side
5,049,636.60x = 20,811,382,410,089.57 - Step 5: Solve for x
x = 20,811,382,410,089.57/5,049,636.60 - Step 6: Final answer
x = 4,121,362.40
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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.