Finding the Fourth Proportional to 2,430,190.33, 3,645,272.28 and 990,868.12
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Solution
The fourth proportional to 2,430,190.33, 3,645,272.28 and 990,868.12 is: 1,486,296.79
Step by Step Solution
- Step 1: Write the proportion equation
2,430,190.33 : 3,645,272.28 = 990,868.12 : x - Step 2: Convert to fraction form
2,430,190.33/3,645,272.28 = 990,868.12/x - Step 3: Cross multiply
2,430,190.33x = 3,645,272.28 × 990,868.12 - Step 4: Simplify right side
2,430,190.33x = 3,611,984,090,971.71 - Step 5: Solve for x
x = 3,611,984,090,971.71/2,430,190.33 - Step 6: Final answer
x = 1,486,296.79
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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.