Finding the Fourth Proportional to 1,770,296.65, 2,645,367.05 and 1,329,241.05
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Solution
The fourth proportional to 1,770,296.65, 2,645,367.05 and 1,329,241.05 is: 1,986,294.49
Step by Step Solution
- Step 1: Write the proportion equation
1,770,296.65 : 2,645,367.05 = 1,329,241.05 : x - Step 2: Convert to fraction form
1,770,296.65/2,645,367.05 = 1,329,241.05/x - Step 3: Cross multiply
1,770,296.65x = 2,645,367.05 × 1,329,241.05 - Step 4: Simplify right side
1,770,296.65x = 3,516,330,478,500.51 - Step 5: Solve for x
x = 3,516,330,478,500.51/1,770,296.65 - Step 6: Final answer
x = 1,986,294.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.