Finding the Fourth Proportional to 6,450,846.48, 8,901,989.10 and 3,660,478.02
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Solution
The fourth proportional to 6,450,846.48, 8,901,989.10 and 3,660,478.02 is: 5,051,358.07
Step by Step Solution
- Step 1: Write the proportion equation
6,450,846.48 : 8,901,989.10 = 3,660,478.02 : x - Step 2: Convert to fraction form
6,450,846.48/8,901,989.10 = 3,660,478.02/x - Step 3: Cross multiply
6,450,846.48x = 8,901,989.10 × 3,660,478.02 - Step 4: Simplify right side
6,450,846.48x = 32,585,535,434,829.58 - Step 5: Solve for x
x = 32,585,535,434,829.58/6,450,846.48 - Step 6: Final answer
x = 5,051,358.07
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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.