Finding the Fourth Proportional to 1,721,554.68, 2,581,806.87 and 1,383,794.40
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Solution
The fourth proportional to 1,721,554.68, 2,581,806.87 and 1,383,794.40 is: 2,075,269.48
Step by Step Solution
- Step 1: Write the proportion equation
1,721,554.68 : 2,581,806.87 = 1,383,794.40 : x - Step 2: Convert to fraction form
1,721,554.68/2,581,806.87 = 1,383,794.40/x - Step 3: Cross multiply
1,721,554.68x = 2,581,806.87 × 1,383,794.40 - Step 4: Simplify right side
1,721,554.68x = 3,572,689,888,587.53 - Step 5: Solve for x
x = 3,572,689,888,587.53/1,721,554.68 - Step 6: Final answer
x = 2,075,269.48
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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.