Finding the Fourth Proportional to 1,425,655.88, 2,138,486.58 and 346,163.88
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Solution
The fourth proportional to 1,425,655.88, 2,138,486.58 and 346,163.88 is: 519,246.49
Step by Step Solution
- Step 1: Write the proportion equation
1,425,655.88 : 2,138,486.58 = 346,163.88 : x - Step 2: Convert to fraction form
1,425,655.88/2,138,486.58 = 346,163.88/x - Step 3: Cross multiply
1,425,655.88x = 2,138,486.58 × 346,163.88 - Step 4: Simplify right side
1,425,655.88x = 740,266,811,860.73 - Step 5: Solve for x
x = 740,266,811,860.73/1,425,655.88 - Step 6: Final answer
x = 519,246.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.