Finding the Fourth Proportional to 3,972,807.68, 5,483,064.88 and 2,340,693.36
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Solution
The fourth proportional to 3,972,807.68, 5,483,064.88 and 2,340,693.36 is: 3,230,504.62
Step by Step Solution
- Step 1: Write the proportion equation
3,972,807.68 : 5,483,064.88 = 2,340,693.36 : x - Step 2: Convert to fraction form
3,972,807.68/5,483,064.88 = 2,340,693.36/x - Step 3: Cross multiply
3,972,807.68x = 5,483,064.88 × 2,340,693.36 - Step 4: Simplify right side
3,972,807.68x = 12,834,173,557,065.20 - Step 5: Solve for x
x = 12,834,173,557,065.20/3,972,807.68 - Step 6: Final answer
x = 3,230,504.62
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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.