Finding the Fourth Proportional to 2,983,751.60, 4,465,129.80 and 2,731,809.20
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Solution
The fourth proportional to 2,983,751.60, 4,465,129.80 and 2,731,809.20 is: 4,088,102.60
Step by Step Solution
- Step 1: Write the proportion equation
2,983,751.60 : 4,465,129.80 = 2,731,809.20 : x - Step 2: Convert to fraction form
2,983,751.60/4,465,129.80 = 2,731,809.20/x - Step 3: Cross multiply
2,983,751.60x = 4,465,129.80 × 2,731,809.20 - Step 4: Simplify right side
2,983,751.60x = 12,197,882,666,834.16 - Step 5: Solve for x
x = 12,197,882,666,834.16/2,983,751.60 - Step 6: Final answer
x = 4,088,102.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.