Finding the Fourth Proportional to 1,917,059.70, 2,872,090.35 and 1,168,230.90
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Solution
The fourth proportional to 1,917,059.70, 2,872,090.35 and 1,168,230.90 is: 1,750,213.98
Step by Step Solution
- Step 1: Write the proportion equation
1,917,059.70 : 2,872,090.35 = 1,168,230.90 : x - Step 2: Convert to fraction form
1,917,059.70/2,872,090.35 = 1,168,230.90/x - Step 3: Cross multiply
1,917,059.70x = 2,872,090.35 × 1,168,230.90 - Step 4: Simplify right side
1,917,059.70x = 3,355,264,694,461.82 - Step 5: Solve for x
x = 3,355,264,694,461.82/1,917,059.70 - Step 6: Final answer
x = 1,750,213.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.