Finding the Fourth Proportional to 5,395,087.25, 7,445,133.51 and 2,947,645.74
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Solution
The fourth proportional to 5,395,087.25, 7,445,133.51 and 2,947,645.74 is: 4,067,703.65
Step by Step Solution
- Step 1: Write the proportion equation
5,395,087.25 : 7,445,133.51 = 2,947,645.74 : x - Step 2: Convert to fraction form
5,395,087.25/7,445,133.51 = 2,947,645.74/x - Step 3: Cross multiply
5,395,087.25x = 7,445,133.51 × 2,947,645.74 - Step 4: Simplify right side
5,395,087.25x = 21,945,616,074,482.75 - Step 5: Solve for x
x = 21,945,616,074,482.75/5,395,087.25 - Step 6: Final answer
x = 4,067,703.65
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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.