Finding the Fourth Proportional to 2,100,623.08, 3,149,828.70 and 1,435,965.16
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Solution
The fourth proportional to 2,100,623.08, 3,149,828.70 and 1,435,965.16 is: 2,153,191.74
Step by Step Solution
- Step 1: Write the proportion equation
2,100,623.08 : 3,149,828.70 = 1,435,965.16 : x - Step 2: Convert to fraction form
2,100,623.08/3,149,828.70 = 1,435,965.16/x - Step 3: Cross multiply
2,100,623.08x = 3,149,828.70 × 1,435,965.16 - Step 4: Simplify right side
2,100,623.08x = 4,523,044,273,168.09 - Step 5: Solve for x
x = 4,523,044,273,168.09/2,100,623.08 - Step 6: Final answer
x = 2,153,191.74
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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.