Finding the Fourth Proportional to 6,971,965.80, 10,457,948.70 and 3,192,829.80
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Solution
The fourth proportional to 6,971,965.80, 10,457,948.70 and 3,192,829.80 is: 4,789,244.70
Step by Step Solution
- Step 1: Write the proportion equation
6,971,965.80 : 10,457,948.70 = 3,192,829.80 : x - Step 2: Convert to fraction form
6,971,965.80/10,457,948.70 = 3,192,829.80/x - Step 3: Cross multiply
6,971,965.80x = 10,457,948.70 × 3,192,829.80 - Step 4: Simplify right side
6,971,965.80x = 33,390,450,256,231.25 - Step 5: Solve for x
x = 33,390,450,256,231.25/6,971,965.80 - Step 6: Final answer
x = 4,789,244.70
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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.