Finding the Fourth Proportional to 1,672,090.83, 2,307,408.11 and 946,943.75
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Solution
The fourth proportional to 1,672,090.83, 2,307,408.11 and 946,943.75 is: 1,306,738.63
Step by Step Solution
- Step 1: Write the proportion equation
1,672,090.83 : 2,307,408.11 = 946,943.75 : x - Step 2: Convert to fraction form
1,672,090.83/2,307,408.11 = 946,943.75/x - Step 3: Cross multiply
1,672,090.83x = 2,307,408.11 × 946,943.75 - Step 4: Simplify right side
1,672,090.83x = 2,184,985,679,294.13 - Step 5: Solve for x
x = 2,184,985,679,294.13/1,672,090.83 - Step 6: Final answer
x = 1,306,738.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.