Finding the Fourth Proportional to 3,393,913.02, 4,683,618.36 and 1,998,535.20
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Solution
The fourth proportional to 3,393,913.02, 4,683,618.36 and 1,998,535.20 is: 2,757,989.41
Step by Step Solution
- Step 1: Write the proportion equation
3,393,913.02 : 4,683,618.36 = 1,998,535.20 : x - Step 2: Convert to fraction form
3,393,913.02/4,683,618.36 = 1,998,535.20/x - Step 3: Cross multiply
3,393,913.02x = 4,683,618.36 × 1,998,535.20 - Step 4: Simplify right side
3,393,913.02x = 9,360,376,155,826.27 - Step 5: Solve for x
x = 9,360,376,155,826.27/3,393,913.02 - Step 6: Final answer
x = 2,757,989.41
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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.