Finding the Fourth Proportional to 3,852,640.80, 5,779,343.52 and 1,424,430.09
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Solution
The fourth proportional to 3,852,640.80, 5,779,343.52 and 1,424,430.09 is: 2,136,786.49
Step by Step Solution
- Step 1: Write the proportion equation
3,852,640.80 : 5,779,343.52 = 1,424,430.09 : x - Step 2: Convert to fraction form
3,852,640.80/5,779,343.52 = 1,424,430.09/x - Step 3: Cross multiply
3,852,640.80x = 5,779,343.52 × 1,424,430.09 - Step 4: Simplify right side
3,852,640.80x = 8,232,270,810,334.52 - Step 5: Solve for x
x = 8,232,270,810,334.52/3,852,640.80 - Step 6: Final answer
x = 2,136,786.49
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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.