Finding the Fourth Proportional to 2,288,012.97, 3,158,937.02 and 1,417,771.15
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Solution
The fourth proportional to 2,288,012.97, 3,158,937.02 and 1,417,771.15 is: 1,957,440.72
Step by Step Solution
- Step 1: Write the proportion equation
2,288,012.97 : 3,158,937.02 = 1,417,771.15 : x - Step 2: Convert to fraction form
2,288,012.97/3,158,937.02 = 1,417,771.15/x - Step 3: Cross multiply
2,288,012.97x = 3,158,937.02 × 1,417,771.15 - Step 4: Simplify right side
2,288,012.97x = 4,478,649,767,270.06 - Step 5: Solve for x
x = 4,478,649,767,270.06/2,288,012.97 - Step 6: Final answer
x = 1,957,440.72
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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.