Finding the Fourth Proportional to 2,831,935.28, 4,245,058.74 and 911,435.18
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Solution
The fourth proportional to 2,831,935.28, 4,245,058.74 and 911,435.18 is: 1,366,237.39
Step by Step Solution
- Step 1: Write the proportion equation
2,831,935.28 : 4,245,058.74 = 911,435.18 : x - Step 2: Convert to fraction form
2,831,935.28/4,245,058.74 = 911,435.18/x - Step 3: Cross multiply
2,831,935.28x = 4,245,058.74 × 911,435.18 - Step 4: Simplify right side
2,831,935.28x = 3,869,095,876,802.47 - Step 5: Solve for x
x = 3,869,095,876,802.47/2,831,935.28 - Step 6: Final answer
x = 1,366,237.39
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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.