Finding the Fourth Proportional to 1,543,419.75, 2,314,639.18 and 1,442,669.18
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Solution
The fourth proportional to 1,543,419.75, 2,314,639.18 and 1,442,669.18 is: 2,163,545.34
Step by Step Solution
- Step 1: Write the proportion equation
1,543,419.75 : 2,314,639.18 = 1,442,669.18 : x - Step 2: Convert to fraction form
1,543,419.75/2,314,639.18 = 1,442,669.18/x - Step 3: Cross multiply
1,543,419.75x = 2,314,639.18 × 1,442,669.18 - Step 4: Simplify right side
1,543,419.75x = 3,339,258,607,806.47 - Step 5: Solve for x
x = 3,339,258,607,806.47/1,543,419.75 - Step 6: Final answer
x = 2,163,545.34
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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.