Finding the Fourth Proportional to 2,304,868.28, 3,180,769.18 and 1,272,373.68
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Solution
The fourth proportional to 2,304,868.28, 3,180,769.18 and 1,272,373.68 is: 1,755,903.81
Step by Step Solution
- Step 1: Write the proportion equation
2,304,868.28 : 3,180,769.18 = 1,272,373.68 : x - Step 2: Convert to fraction form
2,304,868.28/3,180,769.18 = 1,272,373.68/x - Step 3: Cross multiply
2,304,868.28x = 3,180,769.18 × 1,272,373.68 - Step 4: Simplify right side
2,304,868.28x = 4,047,126,986,787.18 - Step 5: Solve for x
x = 4,047,126,986,787.18/2,304,868.28 - Step 6: Final answer
x = 1,755,903.81
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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.