Finding the Fourth Proportional to 5,122,163.06, 7,068,582.69 and 2,830,303.70
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Solution
The fourth proportional to 5,122,163.06, 7,068,582.69 and 2,830,303.70 is: 3,905,817.82
Step by Step Solution
- Step 1: Write the proportion equation
5,122,163.06 : 7,068,582.69 = 2,830,303.70 : x - Step 2: Convert to fraction form
5,122,163.06/7,068,582.69 = 2,830,303.70/x - Step 3: Cross multiply
5,122,163.06x = 7,068,582.69 × 2,830,303.70 - Step 4: Simplify right side
5,122,163.06x = 20,006,235,741,262.96 - Step 5: Solve for x
x = 20,006,235,741,262.96/5,122,163.06 - Step 6: Final answer
x = 3,905,817.82
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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.