Finding the Fourth Proportional to 1,610,139.85, 2,222,203.22 and 1,038,841.99
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Solution
The fourth proportional to 1,610,139.85, 2,222,203.22 and 1,038,841.99 is: 1,433,737.58
Step by Step Solution
- Step 1: Write the proportion equation
1,610,139.85 : 2,222,203.22 = 1,038,841.99 : x - Step 2: Convert to fraction form
1,610,139.85/2,222,203.22 = 1,038,841.99/x - Step 3: Cross multiply
1,610,139.85x = 2,222,203.22 × 1,038,841.99 - Step 4: Simplify right side
1,610,139.85x = 2,308,518,015,249.21 - Step 5: Solve for x
x = 2,308,518,015,249.21/1,610,139.85 - Step 6: Final answer
x = 1,433,737.58
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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.