Finding the Fourth Proportional to 3,313,665.08, 4,971,936.93 and 1,798,418.53
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Solution
The fourth proportional to 3,313,665.08, 4,971,936.93 and 1,798,418.53 is: 2,698,408.95
Step by Step Solution
- Step 1: Write the proportion equation
3,313,665.08 : 4,971,936.93 = 1,798,418.53 : x - Step 2: Convert to fraction form
3,313,665.08/4,971,936.93 = 1,798,418.53/x - Step 3: Cross multiply
3,313,665.08x = 4,971,936.93 × 1,798,418.53 - Step 4: Simplify right side
3,313,665.08x = 8,941,623,504,903.31 - Step 5: Solve for x
x = 8,941,623,504,903.31/3,313,665.08 - Step 6: Final answer
x = 2,698,408.95
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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.