Finding the Fourth Proportional to 1,515,794.79, 2,271,717.68 and 616,185.71
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Solution
The fourth proportional to 1,515,794.79, 2,271,717.68 and 616,185.71 is: 923,475.90
Step by Step Solution
- Step 1: Write the proportion equation
1,515,794.79 : 2,271,717.68 = 616,185.71 : x - Step 2: Convert to fraction form
1,515,794.79/2,271,717.68 = 616,185.71/x - Step 3: Cross multiply
1,515,794.79x = 2,271,717.68 × 616,185.71 - Step 4: Simplify right side
1,515,794.79x = 1,399,799,957,130.84 - Step 5: Solve for x
x = 1,399,799,957,130.84/1,515,794.79 - Step 6: Final answer
x = 923,475.90
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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.