Finding the Fourth Proportional to 1,616,896.80, 2,425,690.80 and 495,079.20
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Solution
The fourth proportional to 1,616,896.80, 2,425,690.80 and 495,079.20 is: 742,724.62
Step by Step Solution
- Step 1: Write the proportion equation
1,616,896.80 : 2,425,690.80 = 495,079.20 : x - Step 2: Convert to fraction form
1,616,896.80/2,425,690.80 = 495,079.20/x - Step 3: Cross multiply
1,616,896.80x = 2,425,690.80 × 495,079.20 - Step 4: Simplify right side
1,616,896.80x = 1,200,909,060,711.36 - Step 5: Solve for x
x = 1,200,909,060,711.36/1,616,896.80 - Step 6: Final answer
x = 742,724.62
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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.