Finding the Fourth Proportional to 3,745,833.13, 5,169,258.71 and 2,026,972.09
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Solution
The fourth proportional to 3,745,833.13, 5,169,258.71 and 2,026,972.09 is: 2,797,226.35
Step by Step Solution
- Step 1: Write the proportion equation
3,745,833.13 : 5,169,258.71 = 2,026,972.09 : x - Step 2: Convert to fraction form
3,745,833.13/5,169,258.71 = 2,026,972.09/x - Step 3: Cross multiply
3,745,833.13x = 5,169,258.71 × 2,026,972.09 - Step 4: Simplify right side
3,745,833.13x = 10,477,943,131,159.40 - Step 5: Solve for x
x = 10,477,943,131,159.40/3,745,833.13 - Step 6: Final answer
x = 2,797,226.35
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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.