Finding the Fourth Proportional to 2,614,072.95, 3,912,717.87 and 1,396,607.21
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Solution
The fourth proportional to 2,614,072.95, 3,912,717.87 and 1,396,607.21 is: 2,090,427.49
Step by Step Solution
- Step 1: Write the proportion equation
2,614,072.95 : 3,912,717.87 = 1,396,607.21 : x - Step 2: Convert to fraction form
2,614,072.95/3,912,717.87 = 1,396,607.21/x - Step 3: Cross multiply
2,614,072.95x = 3,912,717.87 × 1,396,607.21 - Step 4: Simplify right side
2,614,072.95x = 5,464,529,968,374.25 - Step 5: Solve for x
x = 5,464,529,968,374.25/2,614,072.95 - Step 6: Final answer
x = 2,090,427.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.