Finding the Fourth Proportional to 1,694,449.13, 2,338,356.20 and 930,519.09
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Solution
The fourth proportional to 1,694,449.13, 2,338,356.20 and 930,519.09 is: 1,284,125.35
Step by Step Solution
- Step 1: Write the proportion equation
1,694,449.13 : 2,338,356.20 = 930,519.09 : x - Step 2: Convert to fraction form
1,694,449.13/2,338,356.20 = 930,519.09/x - Step 3: Cross multiply
1,694,449.13x = 2,338,356.20 × 930,519.09 - Step 4: Simplify right side
1,694,449.13x = 2,175,885,078,667.26 - Step 5: Solve for x
x = 2,175,885,078,667.26/1,694,449.13 - Step 6: Final answer
x = 1,284,125.35
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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.