Finding the Fourth Proportional to 2,282,392.24, 3,149,662.80 and 1,263,775.12
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Solution
The fourth proportional to 2,282,392.24, 3,149,662.80 and 1,263,775.12 is: 1,743,988.35
Step by Step Solution
- Step 1: Write the proportion equation
2,282,392.24 : 3,149,662.80 = 1,263,775.12 : x - Step 2: Convert to fraction form
2,282,392.24/3,149,662.80 = 1,263,775.12/x - Step 3: Cross multiply
2,282,392.24x = 3,149,662.80 × 1,263,775.12 - Step 4: Simplify right side
2,282,392.24x = 3,980,465,483,029.54 - Step 5: Solve for x
x = 3,980,465,483,029.54/2,282,392.24 - Step 6: Final answer
x = 1,743,988.35
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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.