Finding the Fourth Proportional to 3,986,723.36, 5,501,325.08 and 2,220,486.96
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Solution
The fourth proportional to 3,986,723.36, 5,501,325.08 and 2,220,486.96 is: 3,064,075.31
Step by Step Solution
- Step 1: Write the proportion equation
3,986,723.36 : 5,501,325.08 = 2,220,486.96 : x - Step 2: Convert to fraction form
3,986,723.36/5,501,325.08 = 2,220,486.96/x - Step 3: Cross multiply
3,986,723.36x = 5,501,325.08 × 2,220,486.96 - Step 4: Simplify right side
3,986,723.36x = 12,215,620,602,860.96 - Step 5: Solve for x
x = 12,215,620,602,860.96/3,986,723.36 - Step 6: Final answer
x = 3,064,075.31
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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.