Finding the Fourth Proportional to 2,235,794.76, 3,085,377.30 and 1,217,197.08
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Solution
The fourth proportional to 2,235,794.76, 3,085,377.30 and 1,217,197.08 is: 1,679,721.37
Step by Step Solution
- Step 1: Write the proportion equation
2,235,794.76 : 3,085,377.30 = 1,217,197.08 : x - Step 2: Convert to fraction form
2,235,794.76/3,085,377.30 = 1,217,197.08/x - Step 3: Cross multiply
2,235,794.76x = 3,085,377.30 × 1,217,197.08 - Step 4: Simplify right side
2,235,794.76x = 3,755,512,240,258.28 - Step 5: Solve for x
x = 3,755,512,240,258.28/2,235,794.76 - Step 6: Final answer
x = 1,679,721.37
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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.