Finding the Fourth Proportional to 3,191,182.09, 4,779,735.86 and 2,637,790.09
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Solution
The fourth proportional to 3,191,182.09, 4,779,735.86 and 2,637,790.09 is: 3,950,868.21
Step by Step Solution
- Step 1: Write the proportion equation
3,191,182.09 : 4,779,735.86 = 2,637,790.09 : x - Step 2: Convert to fraction form
3,191,182.09/4,779,735.86 = 2,637,790.09/x - Step 3: Cross multiply
3,191,182.09x = 4,779,735.86 × 2,637,790.09 - Step 4: Simplify right side
3,191,182.09x = 12,607,939,871,136.68 - Step 5: Solve for x
x = 12,607,939,871,136.68/3,191,182.09 - Step 6: Final answer
x = 3,950,868.21
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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.