Finding the Fourth Proportional to 2,315,651.12, 3,197,157.96 and 1,445,810.12
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Solution
The fourth proportional to 2,315,651.12, 3,197,157.96 and 1,445,810.12 is: 1,996,191.61
Step by Step Solution
- Step 1: Write the proportion equation
2,315,651.12 : 3,197,157.96 = 1,445,810.12 : x - Step 2: Convert to fraction form
2,315,651.12/3,197,157.96 = 1,445,810.12/x - Step 3: Cross multiply
2,315,651.12x = 3,197,157.96 × 1,445,810.12 - Step 4: Simplify right side
2,315,651.12x = 4,622,483,333,806.56 - Step 5: Solve for x
x = 4,622,483,333,806.56/2,315,651.12 - Step 6: Final answer
x = 1,996,191.61
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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.