Finding the Fourth Proportional to 4,894,515.20, 7,341,772.80 and 4,170,180.80
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Solution
The fourth proportional to 4,894,515.20, 7,341,772.80 and 4,170,180.80 is: 6,255,271.20
Step by Step Solution
- Step 1: Write the proportion equation
4,894,515.20 : 7,341,772.80 = 4,170,180.80 : x - Step 2: Convert to fraction form
4,894,515.20/7,341,772.80 = 4,170,180.80/x - Step 3: Cross multiply
4,894,515.20x = 7,341,772.80 × 4,170,180.80 - Step 4: Simplify right side
4,894,515.20x = 30,616,519,968,522.24 - Step 5: Solve for x
x = 30,616,519,968,522.24/4,894,515.20 - Step 6: Final answer
x = 6,255,271.20
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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.