Finding the Fourth Proportional to 4,309,487.21, 5,946,939.20 and 2,349,324.68
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Solution
The fourth proportional to 4,309,487.21, 5,946,939.20 and 2,349,324.68 is: 3,241,984.56
Step by Step Solution
- Step 1: Write the proportion equation
4,309,487.21 : 5,946,939.20 = 2,349,324.68 : x - Step 2: Convert to fraction form
4,309,487.21/5,946,939.20 = 2,349,324.68/x - Step 3: Cross multiply
4,309,487.21x = 5,946,939.20 × 2,349,324.68 - Step 4: Simplify right side
4,309,487.21x = 13,971,291,009,158.07 - Step 5: Solve for x
x = 13,971,291,009,158.07/4,309,487.21 - Step 6: Final answer
x = 3,241,984.56
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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.