Finding the Fourth Proportional to 2,831,970.35, 3,907,982.75 and 1,608,114.21
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Solution
The fourth proportional to 2,831,970.35, 3,907,982.75 and 1,608,114.21 is: 2,219,120.20
Step by Step Solution
- Step 1: Write the proportion equation
2,831,970.35 : 3,907,982.75 = 1,608,114.21 : x - Step 2: Convert to fraction form
2,831,970.35/3,907,982.75 = 1,608,114.21/x - Step 3: Cross multiply
2,831,970.35x = 3,907,982.75 × 1,608,114.21 - Step 4: Simplify right side
2,831,970.35x = 6,284,482,584,669.31 - Step 5: Solve for x
x = 6,284,482,584,669.31/2,831,970.35 - Step 6: Final answer
x = 2,219,120.20
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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.