Finding the Fourth Proportional to 4,498,649.40, 6,207,981.74 and 2,565,532.60
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Solution
The fourth proportional to 4,498,649.40, 6,207,981.74 and 2,565,532.60 is: 3,540,346.92
Step by Step Solution
- Step 1: Write the proportion equation
4,498,649.40 : 6,207,981.74 = 2,565,532.60 : x - Step 2: Convert to fraction form
4,498,649.40/6,207,981.74 = 2,565,532.60/x - Step 3: Cross multiply
4,498,649.40x = 6,207,981.74 × 2,565,532.60 - Step 4: Simplify right side
4,498,649.40x = 15,926,779,534,174.72 - Step 5: Solve for x
x = 15,926,779,534,174.72/4,498,649.40 - Step 6: Final answer
x = 3,540,346.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.