Finding the Fourth Proportional to 2,915,546.64, 4,023,554.28 and 1,691,759.76
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Solution
The fourth proportional to 2,915,546.64, 4,023,554.28 and 1,691,759.76 is: 2,334,686.45
Step by Step Solution
- Step 1: Write the proportion equation
2,915,546.64 : 4,023,554.28 = 1,691,759.76 : x - Step 2: Convert to fraction form
2,915,546.64/4,023,554.28 = 1,691,759.76/x - Step 3: Cross multiply
2,915,546.64x = 4,023,554.28 × 1,691,759.76 - Step 4: Simplify right side
2,915,546.64x = 6,806,887,223,079.77 - Step 5: Solve for x
x = 6,806,887,223,079.77/2,915,546.64 - Step 6: Final answer
x = 2,334,686.45
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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.