Finding the Fourth Proportional to 3,830,592.08, 5,286,252.84 and 2,111,774.24
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Solution
The fourth proportional to 3,830,592.08, 5,286,252.84 and 2,111,774.24 is: 2,914,268.17
Step by Step Solution
- Step 1: Write the proportion equation
3,830,592.08 : 5,286,252.84 = 2,111,774.24 : x - Step 2: Convert to fraction form
3,830,592.08/5,286,252.84 = 2,111,774.24/x - Step 3: Cross multiply
3,830,592.08x = 5,286,252.84 × 2,111,774.24 - Step 4: Simplify right side
3,830,592.08x = 11,163,372,573,638.84 - Step 5: Solve for x
x = 11,163,372,573,638.84/3,830,592.08 - Step 6: Final answer
x = 2,914,268.17
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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.