Finding the Fourth Proportional to 2,011,245.66, 2,775,576.77 and 1,226,357.61
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Solution
The fourth proportional to 2,011,245.66, 2,775,576.77 and 1,226,357.61 is: 1,692,408.72
Step by Step Solution
- Step 1: Write the proportion equation
2,011,245.66 : 2,775,576.77 = 1,226,357.61 : x - Step 2: Convert to fraction form
2,011,245.66/2,775,576.77 = 1,226,357.61/x - Step 3: Cross multiply
2,011,245.66x = 2,775,576.77 × 1,226,357.61 - Step 4: Simplify right side
2,011,245.66x = 3,403,849,687,896.93 - Step 5: Solve for x
x = 3,403,849,687,896.93/2,011,245.66 - Step 6: Final answer
x = 1,692,408.72
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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.