Finding the Fourth Proportional to 2,110,392.92, 2,912,396.04 and 1,295,046.92
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Solution
The fourth proportional to 2,110,392.92, 2,912,396.04 and 1,295,046.92 is: 1,787,197.77
Step by Step Solution
- Step 1: Write the proportion equation
2,110,392.92 : 2,912,396.04 = 1,295,046.92 : x - Step 2: Convert to fraction form
2,110,392.92/2,912,396.04 = 1,295,046.92/x - Step 3: Cross multiply
2,110,392.92x = 2,912,396.04 × 1,295,046.92 - Step 4: Simplify right side
2,110,392.92x = 3,771,689,521,422.20 - Step 5: Solve for x
x = 3,771,689,521,422.20/2,110,392.92 - Step 6: Final answer
x = 1,787,197.77
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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.