Finding the Fourth Proportional to 3,553,135.20, 5,329,702.80 and 893,743.20
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Solution
The fourth proportional to 3,553,135.20, 5,329,702.80 and 893,743.20 is: 1,340,614.80
Step by Step Solution
- Step 1: Write the proportion equation
3,553,135.20 : 5,329,702.80 = 893,743.20 : x - Step 2: Convert to fraction form
3,553,135.20/5,329,702.80 = 893,743.20/x - Step 3: Cross multiply
3,553,135.20x = 5,329,702.80 × 893,743.20 - Step 4: Simplify right side
3,553,135.20x = 4,763,385,635,520.96 - Step 5: Solve for x
x = 4,763,385,635,520.96/3,553,135.20 - Step 6: Final answer
x = 1,340,614.80
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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.