Finding the Fourth Proportional to 4,146,454.64, 5,721,978.84 and 2,335,579.76
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Solution
The fourth proportional to 4,146,454.64, 5,721,978.84 and 2,335,579.76 is: 3,223,027.65
Step by Step Solution
- Step 1: Write the proportion equation
4,146,454.64 : 5,721,978.84 = 2,335,579.76 : x - Step 2: Convert to fraction form
4,146,454.64/5,721,978.84 = 2,335,579.76/x - Step 3: Cross multiply
4,146,454.64x = 5,721,978.84 × 2,335,579.76 - Step 4: Simplify right side
4,146,454.64x = 13,364,137,965,852.28 - Step 5: Solve for x
x = 13,364,137,965,852.28/4,146,454.64 - Step 6: Final answer
x = 3,223,027.65
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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.