Finding the Fourth Proportional to 3,943,090.80, 5,914,636.20 and 2,236,574.70
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Solution
The fourth proportional to 3,943,090.80, 5,914,636.20 and 2,236,574.70 is: 3,354,862.05
Step by Step Solution
- Step 1: Write the proportion equation
3,943,090.80 : 5,914,636.20 = 2,236,574.70 : x - Step 2: Convert to fraction form
3,943,090.80/5,914,636.20 = 2,236,574.70/x - Step 3: Cross multiply
3,943,090.80x = 5,914,636.20 × 2,236,574.70 - Step 4: Simplify right side
3,943,090.80x = 13,228,525,684,624.14 - Step 5: Solve for x
x = 13,228,525,684,624.14/3,943,090.80 - Step 6: Final answer
x = 3,354,862.05
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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.