Finding the Fourth Proportional to 4,382,279.20, 6,573,418.80 and 3,710,432.80
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Solution
The fourth proportional to 4,382,279.20, 6,573,418.80 and 3,710,432.80 is: 5,565,649.20
Step by Step Solution
- Step 1: Write the proportion equation
4,382,279.20 : 6,573,418.80 = 3,710,432.80 : x - Step 2: Convert to fraction form
4,382,279.20/6,573,418.80 = 3,710,432.80/x - Step 3: Cross multiply
4,382,279.20x = 6,573,418.80 × 3,710,432.80 - Step 4: Simplify right side
4,382,279.20x = 24,390,228,723,656.64 - Step 5: Solve for x
x = 24,390,228,723,656.64/4,382,279.20 - Step 6: Final answer
x = 5,565,649.20
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1.5x scale
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.