Finding the Fourth Proportional to 6,690,918.96, 10,036,386.18 and 1,833,266.79
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Solution
The fourth proportional to 6,690,918.96, 10,036,386.18 and 1,833,266.79 is: 2,749,902.31
Step by Step Solution
- Step 1: Write the proportion equation
6,690,918.96 : 10,036,386.18 = 1,833,266.79 : x - Step 2: Convert to fraction form
6,690,918.96/10,036,386.18 = 1,833,266.79/x - Step 3: Cross multiply
6,690,918.96x = 10,036,386.18 × 1,833,266.79 - Step 4: Simplify right side
6,690,918.96x = 18,399,373,475,408.96 - Step 5: Solve for x
x = 18,399,373,475,408.96/6,690,918.96 - Step 6: Final answer
x = 2,749,902.31
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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.