Finding the Fourth Proportional to 1,643,219.08, 2,267,253.54 and 954,481.75
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Solution
The fourth proportional to 1,643,219.08, 2,267,253.54 and 954,481.75 is: 1,316,958.98
Step by Step Solution
- Step 1: Write the proportion equation
1,643,219.08 : 2,267,253.54 = 954,481.75 : x - Step 2: Convert to fraction form
1,643,219.08/2,267,253.54 = 954,481.75/x - Step 3: Cross multiply
1,643,219.08x = 2,267,253.54 × 954,481.75 - Step 4: Simplify right side
1,643,219.08x = 2,164,052,120,884.76 - Step 5: Solve for x
x = 2,164,052,120,884.76/1,643,219.08 - Step 6: Final answer
x = 1,316,958.98
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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.