Finding the Fourth Proportional to 2,729,762.12, 3,768,279.63 and 1,763,363.54
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Solution
The fourth proportional to 2,729,762.12, 3,768,279.63 and 1,763,363.54 is: 2,434,221.96
Step by Step Solution
- Step 1: Write the proportion equation
2,729,762.12 : 3,768,279.63 = 1,763,363.54 : x - Step 2: Convert to fraction form
2,729,762.12/3,768,279.63 = 1,763,363.54/x - Step 3: Cross multiply
2,729,762.12x = 3,768,279.63 × 1,763,363.54 - Step 4: Simplify right side
2,729,762.12x = 6,644,846,908,066.69 - Step 5: Solve for x
x = 6,644,846,908,066.69/2,729,762.12 - Step 6: Final answer
x = 2,434,221.96
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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.