Finding the Fourth Proportional to 1,658,414.42, 2,487,635.55 and 460,430.16
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Solution
The fourth proportional to 1,658,414.42, 2,487,635.55 and 460,430.16 is: 690,649.11
Step by Step Solution
- Step 1: Write the proportion equation
1,658,414.42 : 2,487,635.55 = 460,430.16 : x - Step 2: Convert to fraction form
1,658,414.42/2,487,635.55 = 460,430.16/x - Step 3: Cross multiply
1,658,414.42x = 2,487,635.55 × 460,430.16 - Step 4: Simplify right side
1,658,414.42x = 1,145,382,434,308.19 - Step 5: Solve for x
x = 1,145,382,434,308.19/1,658,414.42 - Step 6: Final answer
x = 690,649.11
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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.