Finding the Fourth Proportional to 2,998,591.97, 4,138,056.92 and 1,621,935.62
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Solution
The fourth proportional to 2,998,591.97, 4,138,056.92 and 1,621,935.62 is: 2,238,271.15
Step by Step Solution
- Step 1: Write the proportion equation
2,998,591.97 : 4,138,056.92 = 1,621,935.62 : x - Step 2: Convert to fraction form
2,998,591.97/4,138,056.92 = 1,621,935.62/x - Step 3: Cross multiply
2,998,591.97x = 4,138,056.92 × 1,621,935.62 - Step 4: Simplify right side
2,998,591.97x = 6,711,661,887,335.53 - Step 5: Solve for x
x = 6,711,661,887,335.53/2,998,591.97 - Step 6: Final answer
x = 2,238,271.15
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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.