Finding the Fourth Proportional to 3,313,335.69, 4,969,449.90 and 917,422.53
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Solution
The fourth proportional to 3,313,335.69, 4,969,449.90 and 917,422.53 is: 1,375,980.50
Step by Step Solution
- Step 1: Write the proportion equation
3,313,335.69 : 4,969,449.90 = 917,422.53 : x - Step 2: Convert to fraction form
3,313,335.69/4,969,449.90 = 917,422.53/x - Step 3: Cross multiply
3,313,335.69x = 4,969,449.90 × 917,422.53 - Step 4: Simplify right side
3,313,335.69x = 4,559,085,299,966.25 - Step 5: Solve for x
x = 4,559,085,299,966.25/3,313,335.69 - Step 6: Final answer
x = 1,375,980.50
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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.