Finding the Fourth Proportional to 2,590,309.36, 3,574,650.12 and 1,428,800.12
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Solution
The fourth proportional to 2,590,309.36, 3,574,650.12 and 1,428,800.12 is: 1,971,756.96
Step by Step Solution
- Step 1: Write the proportion equation
2,590,309.36 : 3,574,650.12 = 1,428,800.12 : x - Step 2: Convert to fraction form
2,590,309.36/3,574,650.12 = 1,428,800.12/x - Step 3: Cross multiply
2,590,309.36x = 3,574,650.12 × 1,428,800.12 - Step 4: Simplify right side
2,590,309.36x = 5,107,460,520,414.01 - Step 5: Solve for x
x = 5,107,460,520,414.01/2,590,309.36 - Step 6: Final answer
x = 1,971,756.96
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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.