Finding the Fourth Proportional to 1,438,869.41, 1,985,640.12 and 794,290.04
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Solution
The fourth proportional to 1,438,869.41, 1,985,640.12 and 794,290.04 is: 1,096,120.44
Step by Step Solution
- Step 1: Write the proportion equation
1,438,869.41 : 1,985,640.12 = 794,290.04 : x - Step 2: Convert to fraction form
1,438,869.41/1,985,640.12 = 794,290.04/x - Step 3: Cross multiply
1,438,869.41x = 1,985,640.12 × 794,290.04 - Step 4: Simplify right side
1,438,869.41x = 1,577,174,160,412.20 - Step 5: Solve for x
x = 1,577,174,160,412.20/1,438,869.41 - Step 6: Final answer
x = 1,096,120.44
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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.