Finding the Fourth Proportional to 2,961,476.65, 4,442,486.07 and 831,546.41
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Solution
The fourth proportional to 2,961,476.65, 4,442,486.07 and 831,546.41 is: 1,247,395.74
Step by Step Solution
- Step 1: Write the proportion equation
2,961,476.65 : 4,442,486.07 = 831,546.41 : x - Step 2: Convert to fraction form
2,961,476.65/4,442,486.07 = 831,546.41/x - Step 3: Cross multiply
2,961,476.65x = 4,442,486.07 × 831,546.41 - Step 4: Simplify right side
2,961,476.65x = 3,694,133,350,971.43 - Step 5: Solve for x
x = 3,694,133,350,971.43/2,961,476.65 - Step 6: Final answer
x = 1,247,395.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.