Finding the Fourth Proportional to 5,049,634.60, 6,968,667.70 and 2,986,418.80
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Solution
The fourth proportional to 5,049,634.60, 6,968,667.70 and 2,986,418.80 is: 4,121,359.64
Step by Step Solution
- Step 1: Write the proportion equation
5,049,634.60 : 6,968,667.70 = 2,986,418.80 : x - Step 2: Convert to fraction form
5,049,634.60/6,968,667.70 = 2,986,418.80/x - Step 3: Cross multiply
5,049,634.60x = 6,968,667.70 × 2,986,418.80 - Step 4: Simplify right side
5,049,634.60x = 20,811,360,195,389.42 - Step 5: Solve for x
x = 20,811,360,195,389.42/5,049,634.60 - Step 6: Final answer
x = 4,121,359.64
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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.