Finding the Fourth Proportional to 4,856,807.79, 6,704,662.64 and 2,819,225.07
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Solution
The fourth proportional to 4,856,807.79, 6,704,662.64 and 2,819,225.07 is: 3,891,847.03
Step by Step Solution
- Step 1: Write the proportion equation
4,856,807.79 : 6,704,662.64 = 2,819,225.07 : x - Step 2: Convert to fraction form
4,856,807.79/6,704,662.64 = 2,819,225.07/x - Step 3: Cross multiply
4,856,807.79x = 6,704,662.64 × 2,819,225.07 - Step 4: Simplify right side
4,856,807.79x = 18,901,952,986,484.26 - Step 5: Solve for x
x = 18,901,952,986,484.26/4,856,807.79 - Step 6: Final answer
x = 3,891,847.03
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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.