Finding the Fourth Proportional to 1,465,344.90, 2,195,101.35 and 1,289,996.10
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Solution
The fourth proportional to 1,465,344.90, 2,195,101.35 and 1,289,996.10 is: 1,932,427.09
Step by Step Solution
- Step 1: Write the proportion equation
1,465,344.90 : 2,195,101.35 = 1,289,996.10 : x - Step 2: Convert to fraction form
1,465,344.90/2,195,101.35 = 1,289,996.10/x - Step 3: Cross multiply
1,465,344.90x = 2,195,101.35 × 1,289,996.10 - Step 4: Simplify right side
1,465,344.90x = 2,831,672,180,604.74 - Step 5: Solve for x
x = 2,831,672,180,604.74/1,465,344.90 - Step 6: Final answer
x = 1,932,427.09
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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.