Finding the Fourth Proportional to 3,999,874.28, 5,519,690.34 and 2,281,551.08
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Solution
The fourth proportional to 3,999,874.28, 5,519,690.34 and 2,281,551.08 is: 3,148,462.82
Step by Step Solution
- Step 1: Write the proportion equation
3,999,874.28 : 5,519,690.34 = 2,281,551.08 : x - Step 2: Convert to fraction form
3,999,874.28/5,519,690.34 = 2,281,551.08/x - Step 3: Cross multiply
3,999,874.28x = 5,519,690.34 × 2,281,551.08 - Step 4: Simplify right side
3,999,874.28x = 12,593,455,456,492.57 - Step 5: Solve for x
x = 12,593,455,456,492.57/3,999,874.28 - Step 6: Final answer
x = 3,148,462.82
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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.