Finding the Fourth Proportional to 3,812,203.62, 5,260,817.25 and 2,180,638.19
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Solution
The fourth proportional to 3,812,203.62, 5,260,817.25 and 2,180,638.19 is: 3,009,267.11
Step by Step Solution
- Step 1: Write the proportion equation
3,812,203.62 : 5,260,817.25 = 2,180,638.19 : x - Step 2: Convert to fraction form
3,812,203.62/5,260,817.25 = 2,180,638.19/x - Step 3: Cross multiply
3,812,203.62x = 5,260,817.25 × 2,180,638.19 - Step 4: Simplify right side
3,812,203.62x = 11,471,938,979,656.69 - Step 5: Solve for x
x = 11,471,938,979,656.69/3,812,203.62 - Step 6: Final answer
x = 3,009,267.11
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1.5x scale
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.