Finding the Fourth Proportional to 1,750,299.40, 2,621,301.90 and 1,186,280.20
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Solution
The fourth proportional to 1,750,299.40, 2,621,301.90 and 1,186,280.20 is: 1,776,609.50
Step by Step Solution
- Step 1: Write the proportion equation
1,750,299.40 : 2,621,301.90 = 1,186,280.20 : x - Step 2: Convert to fraction form
1,750,299.40/2,621,301.90 = 1,186,280.20/x - Step 3: Cross multiply
1,750,299.40x = 2,621,301.90 × 1,186,280.20 - Step 4: Simplify right side
1,750,299.40x = 3,109,598,542,192.38 - Step 5: Solve for x
x = 3,109,598,542,192.38/1,750,299.40 - Step 6: Final answer
x = 1,776,609.50
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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.