Finding the Fourth Proportional to 1,658,415.17, 2,487,636.69 and 460,430.91
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Solution
The fourth proportional to 1,658,415.17, 2,487,636.69 and 460,430.91 is: 690,650.23
Step by Step Solution
- Step 1: Write the proportion equation
1,658,415.17 : 2,487,636.69 = 460,430.91 : x - Step 2: Convert to fraction form
1,658,415.17/2,487,636.69 = 460,430.91/x - Step 3: Cross multiply
1,658,415.17x = 2,487,636.69 × 460,430.91 - Step 4: Simplify right side
1,658,415.17x = 1,145,384,823,199.47 - Step 5: Solve for x
x = 1,145,384,823,199.47/1,658,415.17 - Step 6: Final answer
x = 690,650.23
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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.