Finding the Fourth Proportional to 3,550,319.66, 4,899,440.94 and 1,918,730.18
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Solution
The fourth proportional to 3,550,319.66, 4,899,440.94 and 1,918,730.18 is: 2,647,847.55
Step by Step Solution
- Step 1: Write the proportion equation
3,550,319.66 : 4,899,440.94 = 1,918,730.18 : x - Step 2: Convert to fraction form
3,550,319.66/4,899,440.94 = 1,918,730.18/x - Step 3: Cross multiply
3,550,319.66x = 4,899,440.94 × 1,918,730.18 - Step 4: Simplify right side
3,550,319.66x = 9,400,705,196,705.57 - Step 5: Solve for x
x = 9,400,705,196,705.57/3,550,319.66 - Step 6: Final answer
x = 2,647,847.55
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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.