Finding the Fourth Proportional to 3,402,219.60, 5,103,766.80 and 1,697,234.40
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Solution
The fourth proportional to 3,402,219.60, 5,103,766.80 and 1,697,234.40 is: 2,546,069.80
Step by Step Solution
- Step 1: Write the proportion equation
3,402,219.60 : 5,103,766.80 = 1,697,234.40 : x - Step 2: Convert to fraction form
3,402,219.60/5,103,766.80 = 1,697,234.40/x - Step 3: Cross multiply
3,402,219.60x = 5,103,766.80 × 1,697,234.40 - Step 4: Simplify right side
3,402,219.60x = 8,662,288,582,537.92 - Step 5: Solve for x
x = 8,662,288,582,537.92/3,402,219.60 - Step 6: Final answer
x = 2,546,069.80
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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.