Finding the Fourth Proportional to 1,943,729.80, 2,682,328.84 and 1,072,572.50
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Solution
The fourth proportional to 1,943,729.80, 2,682,328.84 and 1,072,572.50 is: 1,480,139.96
Step by Step Solution
- Step 1: Write the proportion equation
1,943,729.80 : 2,682,328.84 = 1,072,572.50 : x - Step 2: Convert to fraction form
1,943,729.80/2,682,328.84 = 1,072,572.50/x - Step 3: Cross multiply
1,943,729.80x = 2,682,328.84 × 1,072,572.50 - Step 4: Simplify right side
1,943,729.80x = 2,876,992,153,765.29 - Step 5: Solve for x
x = 2,876,992,153,765.29/1,943,729.80 - Step 6: Final answer
x = 1,480,139.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.