Finding the Fourth Proportional to 1,604,506.88, 2,214,247.92 and 879,306.32
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Solution
The fourth proportional to 1,604,506.88, 2,214,247.92 and 879,306.32 is: 1,213,458.30
Step by Step Solution
- Step 1: Write the proportion equation
1,604,506.88 : 2,214,247.92 = 879,306.32 : x - Step 2: Convert to fraction form
1,604,506.88/2,214,247.92 = 879,306.32/x - Step 3: Cross multiply
1,604,506.88x = 2,214,247.92 × 879,306.32 - Step 4: Simplify right side
1,604,506.88x = 1,947,002,190,102.85 - Step 5: Solve for x
x = 1,947,002,190,102.85/1,604,506.88 - Step 6: Final answer
x = 1,213,458.30
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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.