Finding the Fourth Proportional to 2,021,194.42, 2,788,983.60 and 1,205,493.84
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Solution
The fourth proportional to 2,021,194.42, 2,788,983.60 and 1,205,493.84 is: 1,663,423.63
Step by Step Solution
- Step 1: Write the proportion equation
2,021,194.42 : 2,788,983.60 = 1,205,493.84 : x - Step 2: Convert to fraction form
2,021,194.42/2,788,983.60 = 1,205,493.84/x - Step 3: Cross multiply
2,021,194.42x = 2,788,983.60 × 1,205,493.84 - Step 4: Simplify right side
2,021,194.42x = 3,362,102,545,140.42 - Step 5: Solve for x
x = 3,362,102,545,140.42/2,021,194.42 - Step 6: Final answer
x = 1,663,423.63
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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.