Finding the Fourth Proportional to 2,021,537.78, 2,789,700.98 and 1,103,764.08
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Solution
The fourth proportional to 2,021,537.78, 2,789,700.98 and 1,103,764.08 is: 1,523,182.88
Step by Step Solution
- Step 1: Write the proportion equation
2,021,537.78 : 2,789,700.98 = 1,103,764.08 : x - Step 2: Convert to fraction form
2,021,537.78/2,789,700.98 = 1,103,764.08/x - Step 3: Cross multiply
2,021,537.78x = 2,789,700.98 × 1,103,764.08 - Step 4: Simplify right side
2,021,537.78x = 3,079,171,730,145.98 - Step 5: Solve for x
x = 3,079,171,730,145.98/2,021,537.78 - Step 6: Final answer
x = 1,523,182.88
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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.