Finding the Fourth Proportional to 3,705,278.30, 5,113,821.08 and 2,135,104.66
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Solution
The fourth proportional to 3,705,278.30, 5,113,821.08 and 2,135,104.66 is: 2,946,753.88
Step by Step Solution
- Step 1: Write the proportion equation
3,705,278.30 : 5,113,821.08 = 2,135,104.66 : x - Step 2: Convert to fraction form
3,705,278.30/5,113,821.08 = 2,135,104.66/x - Step 3: Cross multiply
3,705,278.30x = 5,113,821.08 × 2,135,104.66 - Step 4: Simplify right side
3,705,278.30x = 10,918,543,210,867.44 - Step 5: Solve for x
x = 10,918,543,210,867.44/3,705,278.30 - Step 6: Final answer
x = 2,946,753.88
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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.