Finding the Fourth Proportional to 6,574,541.40, 9,861,812.10 and 4,307,059.80
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Solution
The fourth proportional to 6,574,541.40, 9,861,812.10 and 4,307,059.80 is: 6,460,589.70
Step by Step Solution
- Step 1: Write the proportion equation
6,574,541.40 : 9,861,812.10 = 4,307,059.80 : x - Step 2: Convert to fraction form
6,574,541.40/9,861,812.10 = 4,307,059.80/x - Step 3: Cross multiply
6,574,541.40x = 9,861,812.10 × 4,307,059.80 - Step 4: Simplify right side
6,574,541.40x = 42,475,414,451,063.58 - Step 5: Solve for x
x = 42,475,414,451,063.58/6,574,541.40 - Step 6: Final answer
x = 6,460,589.70
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Double scale
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Similar ratio
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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.