Finding the Fourth Proportional to 1,492,067.70, 2,240,434.35 and 862,211.70
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Solution
The fourth proportional to 1,492,067.70, 2,240,434.35 and 862,211.70 is: 1,294,665.59
Step by Step Solution
- Step 1: Write the proportion equation
1,492,067.70 : 2,240,434.35 = 862,211.70 : x - Step 2: Convert to fraction form
1,492,067.70/2,240,434.35 = 862,211.70/x - Step 3: Cross multiply
1,492,067.70x = 2,240,434.35 × 862,211.70 - Step 4: Simplify right side
1,492,067.70x = 1,931,728,709,651.90 - Step 5: Solve for x
x = 1,931,728,709,651.90/1,492,067.70 - Step 6: Final answer
x = 1,294,665.59
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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.