Finding the Fourth Proportional to 2,997,293.48, 4,136,256.12 and 1,620,627.40
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Solution
The fourth proportional to 2,997,293.48, 4,136,256.12 and 1,620,627.40 is: 2,236,461.01
Step by Step Solution
- Step 1: Write the proportion equation
2,997,293.48 : 4,136,256.12 = 1,620,627.40 : x - Step 2: Convert to fraction form
2,997,293.48/4,136,256.12 = 1,620,627.40/x - Step 3: Cross multiply
2,997,293.48x = 4,136,256.12 × 1,620,627.40 - Step 4: Simplify right side
2,997,293.48x = 6,703,330,001,489.69 - Step 5: Solve for x
x = 6,703,330,001,489.69/2,997,293.48 - Step 6: Final answer
x = 2,236,461.01
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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.