Finding the Fourth Proportional to 1,902,283.28, 2,625,419.40 and 1,177,364.24
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Solution
The fourth proportional to 1,902,283.28, 2,625,419.40 and 1,177,364.24 is: 1,624,928.82
Step by Step Solution
- Step 1: Write the proportion equation
1,902,283.28 : 2,625,419.40 = 1,177,364.24 : x - Step 2: Convert to fraction form
1,902,283.28/2,625,419.40 = 1,177,364.24/x - Step 3: Cross multiply
1,902,283.28x = 2,625,419.40 × 1,177,364.24 - Step 4: Simplify right side
1,902,283.28x = 3,091,074,916,562.26 - Step 5: Solve for x
x = 3,091,074,916,562.26/1,902,283.28 - Step 6: Final answer
x = 1,624,928.82
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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.