Finding the Fourth Proportional to 2,050,947.87, 2,830,365.12 and 1,133,236.14
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Solution
The fourth proportional to 2,050,947.87, 2,830,365.12 and 1,133,236.14 is: 1,563,897.40
Step by Step Solution
- Step 1: Write the proportion equation
2,050,947.87 : 2,830,365.12 = 1,133,236.14 : x - Step 2: Convert to fraction form
2,050,947.87/2,830,365.12 = 1,133,236.14/x - Step 3: Cross multiply
2,050,947.87x = 2,830,365.12 × 1,133,236.14 - Step 4: Simplify right side
2,050,947.87x = 3,207,472,043,379.44 - Step 5: Solve for x
x = 3,207,472,043,379.44/2,050,947.87 - Step 6: Final answer
x = 1,563,897.40
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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.