Finding the Fourth Proportional to 6,866,423.70, 10,299,635.55 and 2,073,613.20
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Solution
The fourth proportional to 6,866,423.70, 10,299,635.55 and 2,073,613.20 is: 3,110,419.80
Step by Step Solution
- Step 1: Write the proportion equation
6,866,423.70 : 10,299,635.55 = 2,073,613.20 : x - Step 2: Convert to fraction form
6,866,423.70/10,299,635.55 = 2,073,613.20/x - Step 3: Cross multiply
6,866,423.70x = 10,299,635.55 × 2,073,613.20 - Step 4: Simplify right side
6,866,423.70x = 21,357,460,231,669.26 - Step 5: Solve for x
x = 21,357,460,231,669.26/6,866,423.70 - Step 6: Final answer
x = 3,110,419.80
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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.