Finding the Fourth Proportional to 4,630,540.80, 6,943,478.40 and 2,737,862.40
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Solution
The fourth proportional to 4,630,540.80, 6,943,478.40 and 2,737,862.40 is: 4,105,414.30
Step by Step Solution
- Step 1: Write the proportion equation
4,630,540.80 : 6,943,478.40 = 2,737,862.40 : x - Step 2: Convert to fraction form
4,630,540.80/6,943,478.40 = 2,737,862.40/x - Step 3: Cross multiply
4,630,540.80x = 6,943,478.40 × 2,737,862.40 - Step 4: Simplify right side
4,630,540.80x = 19,010,288,436,572.16 - Step 5: Solve for x
x = 19,010,288,436,572.16/4,630,540.80 - Step 6: Final answer
x = 4,105,414.30
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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.