Finding the Fourth Proportional to 1,425,655.13, 2,138,485.46 and 346,163.13
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Solution
The fourth proportional to 1,425,655.13, 2,138,485.46 and 346,163.13 is: 519,245.37
Step by Step Solution
- Step 1: Write the proportion equation
1,425,655.13 : 2,138,485.46 = 346,163.13 : x - Step 2: Convert to fraction form
1,425,655.13/2,138,485.46 = 346,163.13/x - Step 3: Cross multiply
1,425,655.13x = 2,138,485.46 × 346,163.13 - Step 4: Simplify right side
1,425,655.13x = 740,264,818,562.27 - Step 5: Solve for x
x = 740,264,818,562.27/1,425,655.13 - Step 6: Final answer
x = 519,245.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.