Finding the Fourth Proportional to 2,127,911.92, 2,936,517.24 and 1,363,964.80
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Solution
The fourth proportional to 2,127,911.92, 2,936,517.24 and 1,363,964.80 is: 1,882,270.65
Step by Step Solution
- Step 1: Write the proportion equation
2,127,911.92 : 2,936,517.24 = 1,363,964.80 : x - Step 2: Convert to fraction form
2,127,911.92/2,936,517.24 = 1,363,964.80/x - Step 3: Cross multiply
2,127,911.92x = 2,936,517.24 × 1,363,964.80 - Step 4: Simplify right side
2,127,911.92x = 4,005,306,149,953.15 - Step 5: Solve for x
x = 4,005,306,149,953.15/2,127,911.92 - Step 6: Final answer
x = 1,882,270.65
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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.