Finding the Fourth Proportional to 1,690,474.84, 2,534,779.14 and 693,902.68
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Solution
The fourth proportional to 1,690,474.84, 2,534,779.14 and 693,902.68 is: 1,040,470.99
Step by Step Solution
- Step 1: Write the proportion equation
1,690,474.84 : 2,534,779.14 = 693,902.68 : x - Step 2: Convert to fraction form
1,690,474.84/2,534,779.14 = 693,902.68/x - Step 3: Cross multiply
1,690,474.84x = 2,534,779.14 × 693,902.68 - Step 4: Simplify right side
1,690,474.84x = 1,758,890,038,454.10 - Step 5: Solve for x
x = 1,758,890,038,454.10/1,690,474.84 - Step 6: Final answer
x = 1,040,470.99
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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.