Finding the Fourth Proportional to 1,925,596.99, 2,657,406.81 and 1,066,157.20
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Solution
The fourth proportional to 1,925,596.99, 2,657,406.81 and 1,066,157.20 is: 1,471,342.87
Step by Step Solution
- Step 1: Write the proportion equation
1,925,596.99 : 2,657,406.81 = 1,066,157.20 : x - Step 2: Convert to fraction form
1,925,596.99/2,657,406.81 = 1,066,157.20/x - Step 3: Cross multiply
1,925,596.99x = 2,657,406.81 × 1,066,157.20 - Step 4: Simplify right side
1,925,596.99x = 2,833,213,403,810.53 - Step 5: Solve for x
x = 2,833,213,403,810.53/1,925,596.99 - Step 6: Final answer
x = 1,471,342.87
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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.