Finding the Fourth Proportional to 1,474,131.84, 2,034,278.40 and 829,551.84
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Solution
The fourth proportional to 1,474,131.84, 2,034,278.40 and 829,551.84 is: 1,144,768.29
Step by Step Solution
- Step 1: Write the proportion equation
1,474,131.84 : 2,034,278.40 = 829,551.84 : x - Step 2: Convert to fraction form
1,474,131.84/2,034,278.40 = 829,551.84/x - Step 3: Cross multiply
1,474,131.84x = 2,034,278.40 × 829,551.84 - Step 4: Simplify right side
1,474,131.84x = 1,687,539,389,792.26 - Step 5: Solve for x
x = 1,687,539,389,792.26/1,474,131.84 - Step 6: Final answer
x = 1,144,768.29
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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.