Finding the Fourth Proportional to 1,818,458.12, 2,723,779.68 and 1,475,361.56
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Solution
The fourth proportional to 1,818,458.12, 2,723,779.68 and 1,475,361.56 is: 2,209,872.09
Step by Step Solution
- Step 1: Write the proportion equation
1,818,458.12 : 2,723,779.68 = 1,475,361.56 : x - Step 2: Convert to fraction form
1,818,458.12/2,723,779.68 = 1,475,361.56/x - Step 3: Cross multiply
1,818,458.12x = 2,723,779.68 × 1,475,361.56 - Step 4: Simplify right side
1,818,458.12x = 4,018,559,837,781.10 - Step 5: Solve for x
x = 4,018,559,837,781.10/1,818,458.12 - Step 6: Final answer
x = 2,209,872.09
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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.