Finding the Fourth Proportional to 1,465,107.20, 2,197,660.80 and 986,810.30
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Solution
The fourth proportional to 1,465,107.20, 2,197,660.80 and 986,810.30 is: 1,480,215.45
Step by Step Solution
- Step 1: Write the proportion equation
1,465,107.20 : 2,197,660.80 = 986,810.30 : x - Step 2: Convert to fraction form
1,465,107.20/2,197,660.80 = 986,810.30/x - Step 3: Cross multiply
1,465,107.20x = 2,197,660.80 × 986,810.30 - Step 4: Simplify right side
1,465,107.20x = 2,168,674,313,346.24 - Step 5: Solve for x
x = 2,168,674,313,346.24/1,465,107.20 - Step 6: Final answer
x = 1,480,215.45
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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.