Finding the Fourth Proportional to 2,084,312.70, 3,121,803.45 and 1,244,504.70
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Solution
The fourth proportional to 2,084,312.70, 3,121,803.45 and 1,244,504.70 is: 1,863,971.31
Step by Step Solution
- Step 1: Write the proportion equation
2,084,312.70 : 3,121,803.45 = 1,244,504.70 : x - Step 2: Convert to fraction form
2,084,312.70/3,121,803.45 = 1,244,504.70/x - Step 3: Cross multiply
2,084,312.70x = 3,121,803.45 × 1,244,504.70 - Step 4: Simplify right side
2,084,312.70x = 3,885,099,066,001.22 - Step 5: Solve for x
x = 3,885,099,066,001.22/2,084,312.70 - Step 6: Final answer
x = 1,863,971.31
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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.