Finding the Fourth Proportional to 4,228,015.76, 5,832,221.64 and 2,698,398.80
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Solution
The fourth proportional to 4,228,015.76, 5,832,221.64 and 2,698,398.80 is: 3,722,233.02
Step by Step Solution
- Step 1: Write the proportion equation
4,228,015.76 : 5,832,221.64 = 2,698,398.80 : x - Step 2: Convert to fraction form
4,228,015.76/5,832,221.64 = 2,698,398.80/x - Step 3: Cross multiply
4,228,015.76x = 5,832,221.64 × 2,698,398.80 - Step 4: Simplify right side
4,228,015.76x = 15,737,659,874,710.03 - Step 5: Solve for x
x = 15,737,659,874,710.03/4,228,015.76 - Step 6: Final answer
x = 3,722,233.02
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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.