Finding the Fourth Proportional to 4,119,282.12, 5,684,946.10 and 2,284,315.96
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Solution
The fourth proportional to 4,119,282.12, 5,684,946.10 and 2,284,315.96 is: 3,152,542.78
Step by Step Solution
- Step 1: Write the proportion equation
4,119,282.12 : 5,684,946.10 = 2,284,315.96 : x - Step 2: Convert to fraction form
4,119,282.12/5,684,946.10 = 2,284,315.96/x - Step 3: Cross multiply
4,119,282.12x = 5,684,946.10 × 2,284,315.96 - Step 4: Simplify right side
4,119,282.12x = 12,986,213,107,969.76 - Step 5: Solve for x
x = 12,986,213,107,969.76/4,119,282.12 - Step 6: Final answer
x = 3,152,542.78
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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.