Finding the Fourth Proportional to 3,830,972.06, 5,286,979.68 and 2,112,089.96
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Solution
The fourth proportional to 3,830,972.06, 5,286,979.68 and 2,112,089.96 is: 2,914,815.49
Step by Step Solution
- Step 1: Write the proportion equation
3,830,972.06 : 5,286,979.68 = 2,112,089.96 : x - Step 2: Convert to fraction form
3,830,972.06/5,286,979.68 = 2,112,089.96/x - Step 3: Cross multiply
3,830,972.06x = 5,286,979.68 × 2,112,089.96 - Step 4: Simplify right side
3,830,972.06x = 11,166,576,700,852.01 - Step 5: Solve for x
x = 11,166,576,700,852.01/3,830,972.06 - Step 6: Final answer
x = 2,914,815.49
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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.