Finding the Fourth Proportional to 4,285,440.40, 5,913,980.34 and 2,351,880.88
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Solution
The fourth proportional to 4,285,440.40, 5,913,980.34 and 2,351,880.88 is: 3,245,635.45
Step by Step Solution
- Step 1: Write the proportion equation
4,285,440.40 : 5,913,980.34 = 2,351,880.88 : x - Step 2: Convert to fraction form
4,285,440.40/5,913,980.34 = 2,351,880.88/x - Step 3: Cross multiply
4,285,440.40x = 5,913,980.34 × 2,351,880.88 - Step 4: Simplify right side
4,285,440.40x = 13,908,977,286,341.90 - Step 5: Solve for x
x = 13,908,977,286,341.90/4,285,440.40 - Step 6: Final answer
x = 3,245,635.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.