Finding the Fourth Proportional to 3,551,579.98, 4,901,659.80 and 2,003,159.68
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Solution
The fourth proportional to 3,551,579.98, 4,901,659.80 and 2,003,159.68 is: 2,764,630.76
Step by Step Solution
- Step 1: Write the proportion equation
3,551,579.98 : 4,901,659.80 = 2,003,159.68 : x - Step 2: Convert to fraction form
3,551,579.98/4,901,659.80 = 2,003,159.68/x - Step 3: Cross multiply
3,551,579.98x = 4,901,659.80 × 2,003,159.68 - Step 4: Simplify right side
3,551,579.98x = 9,818,807,276,436.86 - Step 5: Solve for x
x = 9,818,807,276,436.86/3,551,579.98 - Step 6: Final answer
x = 2,764,630.76
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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.