Finding the Fourth Proportional to 2,292,740.17, 3,158,512.99 and 1,603,121.70
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Solution
The fourth proportional to 2,292,740.17, 3,158,512.99 and 1,603,121.70 is: 2,208,484.32
Step by Step Solution
- Step 1: Write the proportion equation
2,292,740.17 : 3,158,512.99 = 1,603,121.70 : x - Step 2: Convert to fraction form
2,292,740.17/3,158,512.99 = 1,603,121.70/x - Step 3: Cross multiply
2,292,740.17x = 3,158,512.99 × 1,603,121.70 - Step 4: Simplify right side
2,292,740.17x = 5,063,480,714,000.88 - Step 5: Solve for x
x = 5,063,480,714,000.88/2,292,740.17 - Step 6: Final answer
x = 2,208,484.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.