Finding the Fourth Proportional to 1,414,137.32, 2,121,216.74 and 403,258.41
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Solution
The fourth proportional to 1,414,137.32, 2,121,216.74 and 403,258.41 is: 604,890.68
Step by Step Solution
- Step 1: Write the proportion equation
1,414,137.32 : 2,121,216.74 = 403,258.41 : x - Step 2: Convert to fraction form
1,414,137.32/2,121,216.74 = 403,258.41/x - Step 3: Cross multiply
1,414,137.32x = 2,121,216.74 × 403,258.41 - Step 4: Simplify right side
1,414,137.32x = 855,398,487,821.49 - Step 5: Solve for x
x = 855,398,487,821.49/1,414,137.32 - Step 6: Final answer
x = 604,890.68
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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.