Finding the Fourth Proportional to 3,380,170.88, 4,664,179.32 and 1,929,774.08
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Solution
The fourth proportional to 3,380,170.88, 4,664,179.32 and 1,929,774.08 is: 2,662,827.61
Step by Step Solution
- Step 1: Write the proportion equation
3,380,170.88 : 4,664,179.32 = 1,929,774.08 : x - Step 2: Convert to fraction form
3,380,170.88/4,664,179.32 = 1,929,774.08/x - Step 3: Cross multiply
3,380,170.88x = 4,664,179.32 × 1,929,774.08 - Step 4: Simplify right side
3,380,170.88x = 9,000,812,356,208.03 - Step 5: Solve for x
x = 9,000,812,356,208.03/3,380,170.88 - Step 6: Final answer
x = 2,662,827.61
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1.5x scale
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.