Finding the Fourth Proportional to 4,354,142.40, 6,528,880.80 and 1,826,942.40
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Solution
The fourth proportional to 4,354,142.40, 6,528,880.80 and 1,826,942.40 is: 2,739,434.79
Step by Step Solution
- Step 1: Write the proportion equation
4,354,142.40 : 6,528,880.80 = 1,826,942.40 : x - Step 2: Convert to fraction form
4,354,142.40/6,528,880.80 = 1,826,942.40/x - Step 3: Cross multiply
4,354,142.40x = 6,528,880.80 × 1,826,942.40 - Step 4: Simplify right side
4,354,142.40x = 11,927,889,158,065.92 - Step 5: Solve for x
x = 11,927,889,158,065.92/4,354,142.40 - Step 6: Final answer
x = 2,739,434.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.