Finding the Fourth Proportional to 4,128,363.60, 6,193,529.55 and 1,996,694.70
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Solution
The fourth proportional to 4,128,363.60, 6,193,529.55 and 1,996,694.70 is: 2,995,518.04
Step by Step Solution
- Step 1: Write the proportion equation
4,128,363.60 : 6,193,529.55 = 1,996,694.70 : x - Step 2: Convert to fraction form
4,128,363.60/6,193,529.55 = 1,996,694.70/x - Step 3: Cross multiply
4,128,363.60x = 6,193,529.55 × 1,996,694.70 - Step 4: Simplify right side
4,128,363.60x = 12,366,587,626,778.38 - Step 5: Solve for x
x = 12,366,587,626,778.38/4,128,363.60 - Step 6: Final answer
x = 2,995,518.04
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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.