Finding the Fourth Proportional to 4,969,801.20, 7,454,701.80 and 4,402,930.80
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Solution
The fourth proportional to 4,969,801.20, 7,454,701.80 and 4,402,930.80 is: 6,604,396.20
Step by Step Solution
- Step 1: Write the proportion equation
4,969,801.20 : 7,454,701.80 = 4,402,930.80 : x - Step 2: Convert to fraction form
4,969,801.20/7,454,701.80 = 4,402,930.80/x - Step 3: Cross multiply
4,969,801.20x = 7,454,701.80 × 4,402,930.80 - Step 4: Simplify right side
4,969,801.20x = 32,822,536,160,035.44 - Step 5: Solve for x
x = 32,822,536,160,035.44/4,969,801.20 - Step 6: Final answer
x = 6,604,396.20
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1.5x scale
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.