Finding the Fourth Proportional to 1,790,901.28, 2,471,361.06 and 975,102.40
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Solution
The fourth proportional to 1,790,901.28, 2,471,361.06 and 975,102.40 is: 1,345,596.28
Step by Step Solution
- Step 1: Write the proportion equation
1,790,901.28 : 2,471,361.06 = 975,102.40 : x - Step 2: Convert to fraction form
1,790,901.28/2,471,361.06 = 975,102.40/x - Step 3: Cross multiply
1,790,901.28x = 2,471,361.06 × 975,102.40 - Step 4: Simplify right side
1,790,901.28x = 2,409,830,100,872.54 - Step 5: Solve for x
x = 2,409,830,100,872.54/1,790,901.28 - Step 6: Final answer
x = 1,345,596.28
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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.