Finding the Fourth Proportional to 1,887,779.68, 2,605,122.60 and 1,028,339.98
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Solution
The fourth proportional to 1,887,779.68, 2,605,122.60 and 1,028,339.98 is: 1,419,101.90
Step by Step Solution
- Step 1: Write the proportion equation
1,887,779.68 : 2,605,122.60 = 1,028,339.98 : x - Step 2: Convert to fraction form
1,887,779.68/2,605,122.60 = 1,028,339.98/x - Step 3: Cross multiply
1,887,779.68x = 2,605,122.60 × 1,028,339.98 - Step 4: Simplify right side
1,887,779.68x = 2,678,951,722,381.55 - Step 5: Solve for x
x = 2,678,951,722,381.55/1,887,779.68 - Step 6: Final answer
x = 1,419,101.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.