Finding the Fourth Proportional to 4,894,483.20, 7,341,724.80 and 4,170,148.80
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Solution
The fourth proportional to 4,894,483.20, 7,341,724.80 and 4,170,148.80 is: 6,255,223.20
Step by Step Solution
- Step 1: Write the proportion equation
4,894,483.20 : 7,341,724.80 = 4,170,148.80 : x - Step 2: Convert to fraction form
4,894,483.20/7,341,724.80 = 4,170,148.80/x - Step 3: Cross multiply
4,894,483.20x = 7,341,724.80 × 4,170,148.80 - Step 4: Simplify right side
4,894,483.20x = 30,616,084,864,650.24 - Step 5: Solve for x
x = 30,616,084,864,650.24/4,894,483.20 - Step 6: Final answer
x = 6,255,223.20
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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.