Finding the Fourth Proportional to 2,135,980.17, 3,203,562.02 and 640,072.17
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Solution
The fourth proportional to 2,135,980.17, 3,203,562.02 and 640,072.17 is: 959,985.92
Step by Step Solution
- Step 1: Write the proportion equation
2,135,980.17 : 3,203,562.02 = 640,072.17 : x - Step 2: Convert to fraction form
2,135,980.17/3,203,562.02 = 640,072.17/x - Step 3: Cross multiply
2,135,980.17x = 3,203,562.02 × 640,072.17 - Step 4: Simplify right side
2,135,980.17x = 2,050,510,890,670.62 - Step 5: Solve for x
x = 2,050,510,890,670.62/2,135,980.17 - Step 6: Final answer
x = 959,985.92
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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.