Finding the Fourth Proportional to 2,831,573.95, 3,907,551.99 and 1,542,414.31
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Solution
The fourth proportional to 2,831,573.95, 3,907,551.99 and 1,542,414.31 is: 2,128,520.82
Step by Step Solution
- Step 1: Write the proportion equation
2,831,573.95 : 3,907,551.99 = 1,542,414.31 : x - Step 2: Convert to fraction form
2,831,573.95/3,907,551.99 = 1,542,414.31/x - Step 3: Cross multiply
2,831,573.95x = 3,907,551.99 × 1,542,414.31 - Step 4: Simplify right side
2,831,573.95x = 6,027,064,106,444.98 - Step 5: Solve for x
x = 6,027,064,106,444.98/2,831,573.95 - Step 6: Final answer
x = 2,128,520.82
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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.