Finding the Fourth Proportional to 2,831,407.26, 4,242,911.04 and 2,079,779.10
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Solution
The fourth proportional to 2,831,407.26, 4,242,911.04 and 2,079,779.10 is: 3,116,583.70
Step by Step Solution
- Step 1: Write the proportion equation
2,831,407.26 : 4,242,911.04 = 2,079,779.10 : x - Step 2: Convert to fraction form
2,831,407.26/4,242,911.04 = 2,079,779.10/x - Step 3: Cross multiply
2,831,407.26x = 4,242,911.04 × 2,079,779.10 - Step 4: Simplify right side
2,831,407.26x = 8,824,317,704,151.26 - Step 5: Solve for x
x = 8,824,317,704,151.26/2,831,407.26 - Step 6: Final answer
x = 3,116,583.70
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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.