Finding the Fourth Proportional to 4,112,577.21, 5,675,533.85 and 2,277,035.40
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Solution
The fourth proportional to 4,112,577.21, 5,675,533.85 and 2,277,035.40 is: 3,142,407.02
Step by Step Solution
- Step 1: Write the proportion equation
4,112,577.21 : 5,675,533.85 = 2,277,035.40 : x - Step 2: Convert to fraction form
4,112,577.21/5,675,533.85 = 2,277,035.40/x - Step 3: Cross multiply
4,112,577.21x = 5,675,533.85 × 2,277,035.40 - Step 4: Simplify right side
4,112,577.21x = 12,923,391,466,218.74 - Step 5: Solve for x
x = 12,923,391,466,218.74/4,112,577.21 - Step 6: Final answer
x = 3,142,407.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.