Finding the Fourth Proportional to 3,150,926.68, 4,348,256.68 and 1,720,142.68
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Solution
The fourth proportional to 3,150,926.68, 4,348,256.68 and 1,720,142.68 is: 2,373,784.81
Step by Step Solution
- Step 1: Write the proportion equation
3,150,926.68 : 4,348,256.68 = 1,720,142.68 : x - Step 2: Convert to fraction form
3,150,926.68/4,348,256.68 = 1,720,142.68/x - Step 3: Cross multiply
3,150,926.68x = 4,348,256.68 × 1,720,142.68 - Step 4: Simplify right side
3,150,926.68x = 7,479,621,898,863.10 - Step 5: Solve for x
x = 7,479,621,898,863.10/3,150,926.68 - Step 6: Final answer
x = 2,373,784.81
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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.