Finding the Fourth Proportional to 1,465,277.20, 2,197,915.80 and 668,115.70
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Solution
The fourth proportional to 1,465,277.20, 2,197,915.80 and 668,115.70 is: 1,002,173.55
Step by Step Solution
- Step 1: Write the proportion equation
1,465,277.20 : 2,197,915.80 = 668,115.70 : x - Step 2: Convert to fraction form
1,465,277.20/2,197,915.80 = 668,115.70/x - Step 3: Cross multiply
1,465,277.20x = 2,197,915.80 × 668,115.70 - Step 4: Simplify right side
1,465,277.20x = 1,468,462,053,258.06 - Step 5: Solve for x
x = 1,468,462,053,258.06/1,465,277.20 - Step 6: Final answer
x = 1,002,173.55
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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.