Finding the Fourth Proportional to 1,424,310.48, 2,136,971.16 and 477,679.68
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Solution
The fourth proportional to 1,424,310.48, 2,136,971.16 and 477,679.68 is: 716,689.03
Step by Step Solution
- Step 1: Write the proportion equation
1,424,310.48 : 2,136,971.16 = 477,679.68 : x - Step 2: Convert to fraction form
1,424,310.48/2,136,971.16 = 477,679.68/x - Step 3: Cross multiply
1,424,310.48x = 2,136,971.16 × 477,679.68 - Step 4: Simplify right side
1,424,310.48x = 1,020,787,699,878.03 - Step 5: Solve for x
x = 1,020,787,699,878.03/1,424,310.48 - Step 6: Final answer
x = 716,689.03
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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.