Finding the Fourth Proportional to 3,579,430.05, 5,369,985.89 and 1,183,274.48
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Solution
The fourth proportional to 3,579,430.05, 5,369,985.89 and 1,183,274.48 is: 1,775,189.66
Step by Step Solution
- Step 1: Write the proportion equation
3,579,430.05 : 5,369,985.89 = 1,183,274.48 : x - Step 2: Convert to fraction form
3,579,430.05/5,369,985.89 = 1,183,274.48/x - Step 3: Cross multiply
3,579,430.05x = 5,369,985.89 × 1,183,274.48 - Step 4: Simplify right side
3,579,430.05x = 6,354,167,228,830.79 - Step 5: Solve for x
x = 6,354,167,228,830.79/3,579,430.05 - Step 6: Final answer
x = 1,775,189.66
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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.