Finding the Fourth Proportional to 3,119,043.30, 4,680,638.55 and 1,771,203.30
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Solution
The fourth proportional to 3,119,043.30, 4,680,638.55 and 1,771,203.30 is: 2,657,982.48
Step by Step Solution
- Step 1: Write the proportion equation
3,119,043.30 : 4,680,638.55 = 1,771,203.30 : x - Step 2: Convert to fraction form
3,119,043.30/4,680,638.55 = 1,771,203.30/x - Step 3: Cross multiply
3,119,043.30x = 4,680,638.55 × 1,771,203.30 - Step 4: Simplify right side
3,119,043.30x = 8,290,362,445,867.22 - Step 5: Solve for x
x = 8,290,362,445,867.22/3,119,043.30 - Step 6: Final answer
x = 2,657,982.48
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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.