Finding the Fourth Proportional to 1,472,389.75, 2,209,765.76 and 762,620.77
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Solution
The fourth proportional to 1,472,389.75, 2,209,765.76 and 762,620.77 is: 1,144,542.92
Step by Step Solution
- Step 1: Write the proportion equation
1,472,389.75 : 2,209,765.76 = 762,620.77 : x - Step 2: Convert to fraction form
1,472,389.75/2,209,765.76 = 762,620.77/x - Step 3: Cross multiply
1,472,389.75x = 2,209,765.76 × 762,620.77 - Step 4: Simplify right side
1,472,389.75x = 1,685,213,267,219.77 - Step 5: Solve for x
x = 1,685,213,267,219.77/1,472,389.75 - Step 6: Final answer
x = 1,144,542.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.