Finding the Fourth Proportional to 1,620,489.68, 2,236,320.88 and 895,384.14
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Solution
The fourth proportional to 1,620,489.68, 2,236,320.88 and 895,384.14 is: 1,235,655.04
Step by Step Solution
- Step 1: Write the proportion equation
1,620,489.68 : 2,236,320.88 = 895,384.14 : x - Step 2: Convert to fraction form
1,620,489.68/2,236,320.88 = 895,384.14/x - Step 3: Cross multiply
1,620,489.68x = 2,236,320.88 × 895,384.14 - Step 4: Simplify right side
1,620,489.68x = 2,002,366,237,278.18 - Step 5: Solve for x
x = 2,002,366,237,278.18/1,620,489.68 - Step 6: Final answer
x = 1,235,655.04
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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.