Finding the Fourth Proportional to 2,282,203.85, 3,148,728.23 and 1,315,202.63
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Solution
The fourth proportional to 2,282,203.85, 3,148,728.23 and 1,315,202.63 is: 1,814,568.68
Step by Step Solution
- Step 1: Write the proportion equation
2,282,203.85 : 3,148,728.23 = 1,315,202.63 : x - Step 2: Convert to fraction form
2,282,203.85/3,148,728.23 = 1,315,202.63/x - Step 3: Cross multiply
2,282,203.85x = 3,148,728.23 × 1,315,202.63 - Step 4: Simplify right side
2,282,203.85x = 4,141,215,626,931.59 - Step 5: Solve for x
x = 4,141,215,626,931.59/2,282,203.85 - Step 6: Final answer
x = 1,814,568.68
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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.