Finding the Fourth Proportional to 2,820,528.45, 4,232,847.09 and 1,023,556.65
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Solution
The fourth proportional to 2,820,528.45, 4,232,847.09 and 1,023,556.65 is: 1,536,080.51
Step by Step Solution
- Step 1: Write the proportion equation
2,820,528.45 : 4,232,847.09 = 1,023,556.65 : x - Step 2: Convert to fraction form
2,820,528.45/4,232,847.09 = 1,023,556.65/x - Step 3: Cross multiply
2,820,528.45x = 4,232,847.09 × 1,023,556.65 - Step 4: Simplify right side
2,820,528.45x = 4,332,558,787,402.65 - Step 5: Solve for x
x = 4,332,558,787,402.65/2,820,528.45 - Step 6: Final answer
x = 1,536,080.51
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1.5x scale
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.