Finding the Fourth Proportional to 1,809,403.20, 2,496,799.68 and 1,045,440.36
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Solution
The fourth proportional to 1,809,403.20, 2,496,799.68 and 1,045,440.36 is: 1,442,605.58
Step by Step Solution
- Step 1: Write the proportion equation
1,809,403.20 : 2,496,799.68 = 1,045,440.36 : x - Step 2: Convert to fraction form
1,809,403.20/2,496,799.68 = 1,045,440.36/x - Step 3: Cross multiply
1,809,403.20x = 2,496,799.68 × 1,045,440.36 - Step 4: Simplify right side
1,809,403.20x = 2,610,255,156,307.09 - Step 5: Solve for x
x = 2,610,255,156,307.09/1,809,403.20 - Step 6: Final answer
x = 1,442,605.58
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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.