Finding the Fourth Proportional to 1,762,127.20, 2,431,657.04 and 998,165.28
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Solution
The fourth proportional to 1,762,127.20, 2,431,657.04 and 998,165.28 is: 1,377,423.62
Step by Step Solution
- Step 1: Write the proportion equation
1,762,127.20 : 2,431,657.04 = 998,165.28 : x - Step 2: Convert to fraction form
1,762,127.20/2,431,657.04 = 998,165.28/x - Step 3: Cross multiply
1,762,127.20x = 2,431,657.04 × 998,165.28 - Step 4: Simplify right side
1,762,127.20x = 2,427,195,630,195.57 - Step 5: Solve for x
x = 2,427,195,630,195.57/1,762,127.20 - Step 6: Final answer
x = 1,377,423.62
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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.