Finding the Fourth Proportional to 1,335,381.10, 2,003,023.05 and 536,445.70
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Solution
The fourth proportional to 1,335,381.10, 2,003,023.05 and 536,445.70 is: 804,649.03
Step by Step Solution
- Step 1: Write the proportion equation
1,335,381.10 : 2,003,023.05 = 536,445.70 : x - Step 2: Convert to fraction form
1,335,381.10/2,003,023.05 = 536,445.70/x - Step 3: Cross multiply
1,335,381.10x = 2,003,023.05 × 536,445.70 - Step 4: Simplify right side
1,335,381.10x = 1,074,513,102,173.38 - Step 5: Solve for x
x = 1,074,513,102,173.38/1,335,381.10 - Step 6: Final answer
x = 804,649.03
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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.