Finding the Fourth Proportional to 3,191,183.09, 4,779,737.35 and 2,637,791.09
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Solution
The fourth proportional to 3,191,183.09, 4,779,737.35 and 2,637,791.09 is: 3,950,869.71
Step by Step Solution
- Step 1: Write the proportion equation
3,191,183.09 : 4,779,737.35 = 2,637,791.09 : x - Step 2: Convert to fraction form
3,191,183.09/4,779,737.35 = 2,637,791.09/x - Step 3: Cross multiply
3,191,183.09x = 4,779,737.35 × 2,637,791.09 - Step 4: Simplify right side
3,191,183.09x = 12,607,948,594,370.21 - Step 5: Solve for x
x = 12,607,948,594,370.21/3,191,183.09 - Step 6: Final answer
x = 3,950,869.71
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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.