Finding the Fourth Proportional to 3,739,885.58, 5,161,041.97 and 2,021,006.09
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Solution
The fourth proportional to 3,739,885.58, 5,161,041.97 and 2,021,006.09 is: 2,788,988.34
Step by Step Solution
- Step 1: Write the proportion equation
3,739,885.58 : 5,161,041.97 = 2,021,006.09 : x - Step 2: Convert to fraction form
3,739,885.58/5,161,041.97 = 2,021,006.09/x - Step 3: Cross multiply
3,739,885.58x = 5,161,041.97 × 2,021,006.09 - Step 4: Simplify right side
3,739,885.58x = 10,430,497,259,965.69 - Step 5: Solve for x
x = 10,430,497,259,965.69/3,739,885.58 - Step 6: Final answer
x = 2,788,988.34
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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.