Finding the Fourth Proportional to 4,681,442.09, 7,022,163.05 and 1,315,649.09
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Solution
The fourth proportional to 4,681,442.09, 7,022,163.05 and 1,315,649.09 is: 1,973,473.61
Step by Step Solution
- Step 1: Write the proportion equation
4,681,442.09 : 7,022,163.05 = 1,315,649.09 : x - Step 2: Convert to fraction form
4,681,442.09/7,022,163.05 = 1,315,649.09/x - Step 3: Cross multiply
4,681,442.09x = 7,022,163.05 × 1,315,649.09 - Step 4: Simplify right side
4,681,442.09x = 9,238,702,437,541.29 - Step 5: Solve for x
x = 9,238,702,437,541.29/4,681,442.09 - Step 6: Final answer
x = 1,973,473.61
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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.