Finding the Fourth Proportional to 2,698,984.38, 3,722,186.16 and 2,239,371.39
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Solution
The fourth proportional to 2,698,984.38, 3,722,186.16 and 2,239,371.39 is: 3,088,331.02
Step by Step Solution
- Step 1: Write the proportion equation
2,698,984.38 : 3,722,186.16 = 2,239,371.39 : x - Step 2: Convert to fraction form
2,698,984.38/3,722,186.16 = 2,239,371.39/x - Step 3: Cross multiply
2,698,984.38x = 3,722,186.16 × 2,239,371.39 - Step 4: Simplify right side
2,698,984.38x = 8,335,357,194,957.96 - Step 5: Solve for x
x = 8,335,357,194,957.96/2,698,984.38 - Step 6: Final answer
x = 3,088,331.02
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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.