Finding the Fourth Proportional to 7,810,569.20, 11,717,620.42 and 4,216,259
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Solution
The fourth proportional to 7,810,569.20, 11,717,620.42 and 4,216,259 is: 6,325,342.15
Step by Step Solution
- Step 1: Write the proportion equation
7,810,569.20 : 11,717,620.42 = 4,216,259 : x - Step 2: Convert to fraction form
7,810,569.20/11,717,620.42 = 4,216,259/x - Step 3: Cross multiply
7,810,569.20x = 11,717,620.42 × 4,216,259 - Step 4: Simplify right side
7,810,569.20x = 49,404,522,554,408.78 - Step 5: Solve for x
x = 49,404,522,554,408.78/7,810,569.20 - Step 6: Final answer
x = 6,325,342.15
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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.