Finding the Fourth Proportional to 1,645,442.40, 2,467,179.45 and 848,280.90
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Solution
The fourth proportional to 1,645,442.40, 2,467,179.45 and 848,280.90 is: 1,271,913.99
Step by Step Solution
- Step 1: Write the proportion equation
1,645,442.40 : 2,467,179.45 = 848,280.90 : x - Step 2: Convert to fraction form
1,645,442.40/2,467,179.45 = 848,280.90/x - Step 3: Cross multiply
1,645,442.40x = 2,467,179.45 × 848,280.90 - Step 4: Simplify right side
1,645,442.40x = 2,092,861,204,307.51 - Step 5: Solve for x
x = 2,092,861,204,307.51/1,645,442.40 - Step 6: Final answer
x = 1,271,913.99
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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.