Finding the Fourth Proportional to 3,405,988.25, 4,700,229.56 and 1,857,246.13
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Solution
The fourth proportional to 3,405,988.25, 4,700,229.56 and 1,857,246.13 is: 2,562,980.99
Step by Step Solution
- Step 1: Write the proportion equation
3,405,988.25 : 4,700,229.56 = 1,857,246.13 : x - Step 2: Convert to fraction form
3,405,988.25/4,700,229.56 = 1,857,246.13/x - Step 3: Cross multiply
3,405,988.25x = 4,700,229.56 × 1,857,246.13 - Step 4: Simplify right side
3,405,988.25x = 8,729,483,127,634.22 - Step 5: Solve for x
x = 8,729,483,127,634.22/3,405,988.25 - Step 6: Final answer
x = 2,562,980.99
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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.