Finding the Fourth Proportional to 1,620,574.02, 2,236,197.68 and 895,377.06
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Solution
The fourth proportional to 1,620,574.02, 2,236,197.68 and 895,377.06 is: 1,235,512.90
Step by Step Solution
- Step 1: Write the proportion equation
1,620,574.02 : 2,236,197.68 = 895,377.06 : x - Step 2: Convert to fraction form
1,620,574.02/2,236,197.68 = 895,377.06/x - Step 3: Cross multiply
1,620,574.02x = 2,236,197.68 × 895,377.06 - Step 4: Simplify right side
1,620,574.02x = 2,002,240,104,297.22 - Step 5: Solve for x
x = 2,002,240,104,297.22/1,620,574.02 - Step 6: Final answer
x = 1,235,512.90
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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.