Finding the Fourth Proportional to 1,658,416.17, 2,487,638.19 and 460,431.91
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Solution
The fourth proportional to 1,658,416.17, 2,487,638.19 and 460,431.91 is: 690,651.73
Step by Step Solution
- Step 1: Write the proportion equation
1,658,416.17 : 2,487,638.19 = 460,431.91 : x - Step 2: Convert to fraction form
1,658,416.17/2,487,638.19 = 460,431.91/x - Step 3: Cross multiply
1,658,416.17x = 2,487,638.19 × 460,431.91 - Step 4: Simplify right side
1,658,416.17x = 1,145,388,003,210.64 - Step 5: Solve for x
x = 1,145,388,003,210.64/1,658,416.17 - Step 6: Final answer
x = 690,651.73
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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.