Finding the Fourth Proportional to 1,891,143.14, 2,609,671.25 and 1,075,545.23
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Solution
The fourth proportional to 1,891,143.14, 2,609,671.25 and 1,075,545.23 is: 1,484,191.97
Step by Step Solution
- Step 1: Write the proportion equation
1,891,143.14 : 2,609,671.25 = 1,075,545.23 : x - Step 2: Convert to fraction form
1,891,143.14/2,609,671.25 = 1,075,545.23/x - Step 3: Cross multiply
1,891,143.14x = 2,609,671.25 × 1,075,545.23 - Step 4: Simplify right side
1,891,143.14x = 2,806,819,459,427.91 - Step 5: Solve for x
x = 2,806,819,459,427.91/1,891,143.14 - Step 6: Final answer
x = 1,484,191.97
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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.